WO2023278985A1 - Formulations améliorées de produits de soins personnels - Google Patents
Formulations améliorées de produits de soins personnels Download PDFInfo
- Publication number
- WO2023278985A1 WO2023278985A1 PCT/US2022/073204 US2022073204W WO2023278985A1 WO 2023278985 A1 WO2023278985 A1 WO 2023278985A1 US 2022073204 W US2022073204 W US 2022073204W WO 2023278985 A1 WO2023278985 A1 WO 2023278985A1
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- WO
- WIPO (PCT)
- Prior art keywords
- personal care
- starch
- formulations
- hydrocolloid
- care formulation
- Prior art date
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- GLSRFBDXBWZNLH-UHFFFAOYSA-L disodium;2-chloroacetate;2-(4,5-dihydroimidazol-1-yl)ethanol;hydroxide Chemical compound [OH-].[Na+].[Na+].[O-]C(=O)CCl.OCCN1CCN=C1 GLSRFBDXBWZNLH-UHFFFAOYSA-L 0.000 description 1
- WSDISUOETYTPRL-UHFFFAOYSA-N dmdm hydantoin Chemical compound CC1(C)N(CO)C(=O)N(CO)C1=O WSDISUOETYTPRL-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002979 fabric softener Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229930182478 glucoside Natural products 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 229940100242 glycol stearate Drugs 0.000 description 1
- 208000024963 hair loss Diseases 0.000 description 1
- 230000003676 hair loss Effects 0.000 description 1
- 230000003699 hair surface Effects 0.000 description 1
- 239000012676 herbal extract Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 235000006486 human diet Nutrition 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000005367 kimax Substances 0.000 description 1
- 229940094506 lauryl betaine Drugs 0.000 description 1
- PYIDGJJWBIBVIA-UYTYNIKBSA-N lauryl glucoside Chemical compound CCCCCCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O PYIDGJJWBIBVIA-UYTYNIKBSA-N 0.000 description 1
- 229940048848 lauryl glucoside Drugs 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229940035034 maltodextrin Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940039092 medicated shampoos Drugs 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 229960002216 methylparaben Drugs 0.000 description 1
- PGXWDLGWMQIXDT-UHFFFAOYSA-N methylsulfinylmethane;hydrate Chemical compound O.CS(C)=O PGXWDLGWMQIXDT-UHFFFAOYSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000011929 mousse Nutrition 0.000 description 1
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- SBOJXQVPLKSXOG-UHFFFAOYSA-N o-amino-hydroxylamine Chemical class NON SBOJXQVPLKSXOG-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229960000292 pectin Drugs 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229940070721 polyacrylate Drugs 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000059 polyethylene glycol stearate Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- VZOPRCCTKLAGPN-ZFJVMAEJSA-L potassium;sodium;(2r,3r)-2,3-dihydroxybutanedioate;tetrahydrate Chemical compound O.O.O.O.[Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O VZOPRCCTKLAGPN-ZFJVMAEJSA-L 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000011252 protective cream Substances 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- FSYKKLYZXJSNPZ-UHFFFAOYSA-N sarcosine Chemical compound C[NH2+]CC([O-])=O FSYKKLYZXJSNPZ-UHFFFAOYSA-N 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 208000008742 seborrheic dermatitis Diseases 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 229940096501 sodium cocoamphoacetate Drugs 0.000 description 1
- 229940079781 sodium cocoyl glutamate Drugs 0.000 description 1
- 229940079776 sodium cocoyl isethionate Drugs 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229940048109 sodium methyl cocoyl taurate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001370 static light scattering Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 230000009441 vascular protection Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229940043810 zinc pyrithione Drugs 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
Definitions
- the present invention relates to the use of modified starches and hydrocolloids for use in personal care applications. Specifically, the use of hydroxypropyl starches in combination with xanthan gum allows for the manufacturing of improved low sulphate or sulfate free shampoos compositions.
- compositions such as body washes, shampoos, hand soaps, etc. are based on sulfate-containing surfactants such as SLS (sodium lauryl sulfate) or SLES (sodium laureth sulfate also known as sodium lauryl ether sulfate).
- SLS sodium lauryl sulfate
- SLES sodium laureth sulfate also known as sodium lauryl ether sulfate
- Conventional sulfate-free personal care compositions are comprised of water, surfactants, vegetable oils, conditioning ingredients, fragrance, and other minor ingredients such as preservatives, additives, pH adjusters and aesthetics ingredients. It is well known in the industry, however, that most sulfate free personal care formulations contain higher level of surfactants, foam poorly, may contain potentially irritating surfactants- and are hard to thicken and stabilize without the use of poly-acrylate or other chemical rheology modifiers. Compared to traditional thickening mechanisms related to alkyl and alkyl ether sulfates, commonly used to create adequately foaming formulations, typical sulfate-free formulations foam less and are thickened by using acrylate polymers and acrylate cross polymers.
- the present disclosure provides a novel solution to the challenges of creating a sulphate free, or substantially sulphate free personal care formulation with improved foaming, stability, and texture.
- the inventors have unexpectedly discovered that use of a modified starch and a hydrocolloid together in personal care formulation can achieve these improved results.
- the composition will have a very unpleasant stringy texture because of the concentration of hydrocolloid required and the gelling properties of the hydrocolloid.
- One aspect is a personal care formulation comprising a hydrocolloid and a modified starch wherein the hydrocolloid and modified starch are present in a weight ratio of 1 : 1 to 1:20.
- the personal care formulation comprises the modified starch and hydrocolloid at 2-10 percent by weight of the personal care formulation.
- the personal care formulation comprises the modified starch and hydrocolloid in 3 to 6 percent by weight of the personal care formulation and the hydrocolloid and modified starch are present in a ratio of 1 : 1 to 1 : 10.
- Stability is the resistance of a formulation to separate into its separate components over time. Stability of a formulation is a critical consideration for both manufacturers and consumers. Personal care products with poor stability are almost universally rejected by consumers and therefore not of commercial interest. Often personal care formulations contain multiple ingredients and are complex mixtures including colorants, pearlescent, conditioning agents, and other components that need to be held in suspension over long periods of time. Stability of a formulation avoids both settling during shipping and storing as well as the need of a customer to shake a formulation prior to use to re-suspend the ingredients.
- Texture of a personal care formulation is an important aspect of the consumer experience. Texture is important at multiple times during the user experience. Initially the consumer experiences the texture of a personal care product as it is dispensed (from the bottle to the hand or hair), then the texture is again experienced as the product is used. For example, as a shampoo is dispensed its texture (such as smoothness) is viewed by the consumer then as the shampoo is used to wash the hair the texture (such as volume and smoothness of foam) changes and is once again perceived by the consumer. Therefore, texture may be evaluated with parameters such as product stringiness, viscosity, foam volume, foam bubble size, and foam duration.
- Viscosity is a parameter used to evaluate the thickness and resistance to flow of a material. Proper viscosity is relevant to personal care formulations when dispensing and utilizing a product. If a product has a low viscosity it dispenses too quickly and spreads unevenly when used. If a product has a high viscosity it may be difficult to dispense and spread upon use.
- the personal care formulations disclosed herein surprisingly have an excellent combination of texture, stability, and viscosity. Formulations have extended shelf stability even at elevated temperatures as well as desirable viscosity. In addition, the texture of the product is pleasing and upon use creates a stable creamy foam structure.
- substantially sulfate-free means the composition contains less than 5% by weight sulfate containing surfactants including but not limited to SLS (sodium lauryl sulfate), SLES (sodium laureth sulfate), ammonium laureth sulphate, and ammonium lauryl sulphate.
- the personal care compositions contain no sulphate containing surfactant and are referred to as “sulphate free”.
- Surfactant(s) means an organic compounds with a molecular weight of less than 1000 g/mol, that are amphiphilic, meaning they contain both hydrophobic groups and hydrophilic groups.
- Surfactants may be anionic, cationic, non-ionic or amphoteric; and mixtures thereof.
- surfactants include but are not limited to the following: coco glucoside, cocamidopropyl betaine, coco betaine, sodium cocoyl isethionate, sodium cocoyl methyl isethionate, lauryl ether carboxylic acid, lauryl betaine, sodium cocoamphoacetate, sodium laurylamphoacetate, lauryl hydroxy sultaine, lauyl taurate, cocyl taurate, cocyl methyl taurate, coco hydroxy sultaine, lauryl aminopropyl hydroxy sultaine, coco aminopropyl hydroxy sultaine, Rhamnolipids, Sophorolipids, alkyl glucosides, amino acid based surfactants, sugar based surfactants, sodium lauryl sulphate, sodium lauryl ether sulphate (n)EO, (where n is from 1 to 5), sodium (C12-13) pareth sulphate, ammonium lauryl sulphate, ammonium lauryl
- Starch is a polymeric carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants as energy storage. It is the most common carbohydrate in human diets and is contained in large amounts in staple foods. Starches useful in the present disclosure can come from any plant source including but not limited to: potatoes, wheat, maize (corn), rice, tapioca, quinoa, cassava, and the like. Pure starch is a white, tasteless and odorless powder that is insoluble in cold water or alcohol. It consists of two types of molecules: the linear and helical amylose and the branched amylopectin.
- starch generally contains 20 to 25% amylose and 75 to 80% amylopectin by weight. Waxy corn starches contain over 99% amylopectin. When it is isolated directly from the plant source it is most often referred to as “native starch”. Native starch requires heat to thicken or gelatinize. When a starch is pre-cooked, it can then be used to thicken instantly in cold water. This is referred to as a pregelatinized starch.
- Native starch can be hydrolyzed into simpler carbohydrates by temperature, acids, various enzymes, or a combination of the three.
- the resulting fragments are known as dextrins or hydrolyzed starch.
- the extent of conversion is typically quantified by dextrose equivalent (DE), which is roughly the fraction of the glycosidic bonds in starch that have been broken.
- DE dextrose equivalent
- maltodextrin is a lightly hydrolyzed (DE 10-20) starch product used as a bland-tasting filler and thickener.
- Various glucose syrups (DE 30-70) also called corn syrups in the US, are a type of hydrolyzed starch that are viscous solutions used as sweeteners and thickeners in many kinds of processed foods.
- Dextrose (DE 100) is prepared by the complete hydrolysis of starch.
- the modified-starch has a polydispersity index (PDI) of from 2 to 25 and more preferably from 4 to 20.
- PDI polydispersity index
- the PDI is a well-known and understood measure of the distribution of molecular mass in a given sample.
- the PDI can be calculated by division of Mw by the number average molecular weight (Mn). It indicates the distribution of individual molecular masses in a batch of samples.
- Mn number average molecular weight
- the PDI has a value which is always one or more (i.e Mw > Mn), but as the samples approach uniformity, PDI approaches the unity (PDI 1).
- a modified starch has a structure that has been altered from its native state, resulting in modification of one or more of its chemical or physical properties.
- Starches may be modified, for example, by enzymes, oxidation or, substitution with various compounds.
- starches can be modified to increase stability against heat, acids, or freezing, improve texture, increase or decrease viscosity, increase or decrease gelatinization times, and/or increase or decrease solubility, among others.
- Modified starches may be partially or completely degraded into shorter chains or glucose molecules.
- Amylopectin may be debranched.
- modified starches are cross-linked for example to improve stability. Starches that are modified by substitution have a different chemical composition.
- the base-starch used as the base material for obtaining the modified-starch utilized in the present invention can be sourced from any starch containing sources (hereinafter base material) including for example com, wheat, potato, tapioca, barley, pea, dent corn, waxy maize, sago, rice, sorghum and high amylose starch, i.e., starch having at least 45% and more particularly at least 65% amylose content, such as high amylose corn.
- Starch flours may also be used.
- the base-starch may be chemically converted, enzymatically converted, or converted by heat treatment or by physical treatment.
- the term “chemically converted” or “chemical conversion” include, but is not limited to crosslinking, modification with blocking groups to inhibit retrogradation, modification by the addition of lipophilic groups, acetylated starches, hydroxy ethylated and hydroxypropylated starches, inorganically esterified starches, cationic, anionic and oxidized starches, zwitterionic starches and combinations thereof.
- heat treatment includes for example pre-gelatinization.
- the base-starch may have a granular state, which is preferred, or a non-granular state, i.e., the granular state of the starch has been disrupted by physical, thermal, chemical or enzymatic treatment.
- Preferred base materials include converted or non-converted starches originating from corn, high amylose com, wheat, potato, tapioca, waxy maize, sago or rice.
- base materials to manufacture the base- starches are those chosen from the group consisting of com starch, wheat starch and potato starch.
- materials are com starch and wheat starch.
- the base-starch is chosen from the group consisting of maltodextrins; pyrodextrins; dextrins such as those prepared by hydrolytic action of acid and/or heat or by the action of enzymes; degraded starches such as for example fluidity or thin boiled starches prepared for example by enzyme conversion, thermal treatment or acid hydrolysis; oxidized starches prepared by treatment with oxidants such as sodium hypochlorite, peroxides and persulfates; and derivatized starches such as cationic, anionic, amphoteric, non-ionic and cross-linked.
- Any base material can be used for producing these base-starches, such as for example those mentioned above.
- dextrin is herein understood a depolymerized starch prepared by hydrolytic action of acid and/or heat or by the action of enzymes.
- the dextrin used in accordance with the present invention is prepared by depolymerizing the starch with a dry or semi-dry (moisture below 10 wt%) thermal treatment.
- a dry or semi-dry (moisture below 10 wt%) thermal treatment An example of such treatment is disclosed in EP 1 685 162 Al.
- the base-starch is chosen from the group consisting of maltodextrins, dextrins, thin boiled starches and oxidized starches, said base-starch being produced from a base material chosen from the group consisting of non-converted corn starch, non-converted wheat starch and non-converted potato starch.
- the base-starch is chosen from the group consisting of maltodextrins, dextrins, thin boiled starches, and oxidized starches, said base-starch being produced from a base material those chosen from the group consisting of non-converted corn starch and non-converted wheat starch.
- a hydroxypropylated starch is another example of a modified starch that has been functionalized by hydroxypropylation.
- Such hydroxypropylated starches are well known in the art and are “E-coded” under the designation 1400 in the International System for Food Additives (INS).
- the hydroxypropylated starches may be prepared from waxy maize starch.
- hydroxypropylated starches of the present invention include C*HiFormTM 12748 commercially available from Cargill Incorporated.
- aspects of the present disclosure can replace texturizers and surfactants in home care and personal care products. These products often use complex surfactant and texturizing systems to achieve their desired properties.
- Such formulations can include anionic surfactants, cationic surfactants, and, or amphoteric surfactants.
- Anionic surfactants have a negative charge on their hydrophilic end. The negative charge helps the surfactant molecules lift and suspend soils in micelles. Because they are able to attack a broad range of soils, anionic surfactants are used frequently in soaps and detergents. Anionic surfactants create a lot of foam when mixed.
- anionic surfactants are excellent for lifting and suspending particulate soils, they are not as good at emulsifying oily soils.
- Sulfates, sulfonates, and gluconates are examples of anionic surfactants.
- Cationic surfactants have a positive charge on their hydrophilic end. The positive charge makes them useful in anti-static products, like fabric softeners. Cationic surfactants can also serve as antimicrobial agents, so they are often used in disinfectants. Cationic and nonionic surfactants, however, are compatible. Examples of some common cationic surfactants include alkyl ammonium chlorides. Amphoteric surfactants have a dual charge on their hydrophilic end, both positive and negative.
- the pH of any given solution will determine how the amphoteric surfactants react. In acidic solutions, the amphoteric surfactants become positively charged and behave similarly to cationic surfactants. In alkaline solutions, they develop a negative charge, similar to anionic surfactants.
- Amphoteric surfactants are often used in personal care products such as shampoos and cosmetics. Examples of some frequently used amphoteric surfactants are betaines and amino oxides.
- Hydrocolloids are incorporated into food and other formulations mainly to control rheology and structure. In aqueous environments, hydrocolloids swell, increasing their hydrodynamic volume, thereby increasing the viscosity of the system. In addition, if the hydrocolloids entrain sufficient water due to their concentration, their chains will interact, yielding a gelled network. They can be derived from a number of natural sources and generally possess many hydroxyl groups and may be polyelectrolytes.
- hydrocolloid refers to a hydrophilic polymers, including polysaccharides, derived from a natural sources including plant (e.g., locust bean gum, carrageenan, pectin), animal (e.g., chitosan), microbial (e.g., xanthan gum), or chemical modification of natural polysaccharides (e.g., carboxymethyl cellulose).
- plant e.g., locust bean gum, carrageenan, pectin
- animal e.g., chitosan
- microbial e.g., xanthan gum
- chemical modification of natural polysaccharides e.g., carboxymethyl cellulose
- the hydrocolloid is selected from the group consisting of locust bean gum, an alginate, Scleroglucan, carrageenan, pectin, chitosan, xanthan gum, citrus peel fibers, carboxymethylcellulose or mixtures thereof.
- the hydrocolloid is carrageenan, xanthan gum, scleroglucan, citrus fibers or a mixture there of, and in one aspect the hydrocolloid is xanthan gum.
- the present invention is a topical formulation comprising an anhydride modified starch as described herein.
- topical formulation refers to a formulation that may be applied directly to a part of the body.
- formulation is used herein to denote compositions of various ingredients in various weight ranges, in accordance with the present disclosure for use in personal or home care.
- “Personal care” means and comprises any cosmetic, hygienic, toiletry and topical care products including, without limitation, leave-on products (i.e., products that are left on keratinous substrates after application); rinse-off products (i.e., products that are washed or rinsed from keratinous substrates during or within a few minutes of application); shampoos; hair curling and hair straightening products; hair style maintaining and hair conditioning products; lotions and creams for nails, hands, feet, face, scalp and/or body; hair dye; face and body makeup; nail care products; astringents; deodorants; antiperspirants; anti-acne; antiaging; depilatories; colognes and perfumes; skin protective creams and lotions (such as sunscreens); skin and body cleansers; skin conditioners; skin toners; skin firming compositions; skin tanning and lightening compositions; liquid soaps, bar soaps; bath products; shaving products; and oral hygiene products (such as toothpastes,
- the personal care formulation can be a cleansing composition.
- cleaning composition means a composition aimed to washing/cleaning, more typically a body-care application, including but not limited to body wash, shower gel, liquid hand soap, shampoo or the like.
- the texture of such personal care formulations is not limited and may be, without limitation, a liquid, gel, spray, emulsion (such as lotions and creams), shampoo, pomade, foam, tablet, stick (such as lip care products), makeup, suppositories, among others, any of which can be applied to the skin or hair and which typically are designed to remain in contact therewith until removed, such as by rinsing with water or washing with shampoo or soap.
- Other forms could be gels that can be soft, stiff, or squeezable.
- Sprays can be non-pressurized aerosols delivered from manually pumped finger-actuated sprayers or can be pressurized aerosols such as mousse, spray, or foam forming formulation, where a chemical or gaseous propellant is used.
- Formulations prepared using the modified starch and hydrocolloid disclosed herein have a white or pale white color that is generally considered to be aesthetically appealing.
- the formulations of this disclosure may be further processed to make a colored end product. In such cases, the white color is beneficial because it will show up the additional pigment without influencing the final color.
- Formulations containing the modified starch and hydrocolloid of the present disclosure may optionally contain additional ingredients to tailor the viscosity to the needs of the particular application.
- additional ingredients to tailor the viscosity to the needs of the particular application.
- a skilled artisan will readily appreciate the wide range of additives available to suit this purpose.
- compositions as described herein can optionally contain other components, including one or more beneficial agents.
- the beneficial agent comprises one or more compounds selected from emollients, moisturizers, conditioners, skin conditioners, hair conditioners, vitamins, pro-vitamins, antioxidants, free-radical scavengers, abrasives, dyes, hair coloring agents, bleaching agents, UV absorbers, anti-UV agents, antibacterial agents, antifungal agents, melanin regulators, tanning accelerators, depigmenting agents, skin lightening agents, skin coloring agents, lipo-regulators, weight-reduction agents, anti-acne agents, anti-ageing agents, anti-wrinkle agents, refreshing agents, vascular-protection agents, agents for the reduction of dandruff, seborrheic dermatitis, or psoriasis, shale oil and derivatives thereof, anti-psoriasis agents, corticosteroids, depilating agents, agents for combating hair loss, reducing agents for permanent-waving, essential oils, and fragrances.
- the personal care composition further comprises one or more water insoluble or partially water soluble components.
- Such components may be in the form of a solid, a liquid, or a gas and may comprise one or more materials selected from water insoluble or partially water soluble additional agents including by not limited to; emollients, conditioners, moisturizers, vitamins, vitamin derivatives, moisturizing beads, natural or synthetic abrasives, such as polyoxyethylene beads, abrasives, and water insoluble or partially water soluble chemically stable appearance modifying additives such as, for example, pigments, opacifying agents, colored or reflective particles or beads such as particles of mica, titanium dioxide, or glycol stearate.
- Formulations of the present disclosure may optionally contain at least one further ingredient chosen from the group consisting of preservative, salt, vitamin, emulsifier, texturizer, nutrient, micronutrient, sugar, protein, polysaccharide, polyol, glucose, sucrose, glycerol, sorbitol, pFl adjusters, emollients, dyes, pigments, skin actives, waxes, or silicones.
- Formulations of the present disclosure may have a wide range of pH values.
- aspects of this disclosure include formulations having pH between 3-11, or between 4-8, or between 4-7.
- a shampoo formulation is well known in the art.
- a shampoo formulation is prepared from the following components: water, detergents/surfactants, foam boosters, thickeners, conditioning agents, preservatives, and other ingredients.
- Water is the primary ingredient in all shampoos, it makes up about 70 to 80% of the entire formula. It helps dilute the detergents, makes the formula easier to spread and reduces irritation. It also keeps the formula inexpensive.
- Detergents/surfactants are the next most abundant ingredients in a shampoo.
- surfactants are the primary cleansing ingredients and can make up about 10%-18% of the formula. They are derived from natural fatty acids or petroleum derivatives. Common primary surfactants include Ammonium Lauryl Sulfate, Sodium Lauryl Sulfate and Sodium Laureth Sulfate. For natural shampoos companies have been using ingredients like Decyl Glucoside and Lauryl Glucoside. Typical inclusion level of sulfate free and - or 100% natural-derived surfactants for shampoo is significantly over 28% and can represent the single largest ingredient. This inclusion rate is significantly higher than when using sulfate based surfactants.
- Foam boosters are another type of surfactant that are added to shampoos to improve the foaming characteristics of the formulation Consumers like a nice creamy foam even though it does not actually affect how well the product works.
- Foam boosting compounds usually betaines or alkanolamides, help increase the amount of foam and the size of the bubbles.
- these ingredients are also derived from fatty acids and have both water soluble and oil soluble characteristics. Typical materials include Lauramide DEA or Cocamidopropyl Betaine. They can make up about 2-10% of the entire formula.
- Thickeners are used to adjust the viscosity and texture of the formulation. To some extent the secondary detergents make shampoo formulations thicker. Simply adding salt can also increase shampoo thickness. However, other materials are also used to increase the viscosity such as Methylcellulose which is a cellulosic polymer or Carbomer which is a synthetic polymer.
- Conditioning agents are often added to shampoos to offset the harsh effect of surfactants.
- Typical conditioning agents or moisturizing ingredients include polymers, silicones, and quaternary ammonium salt agents. These ingredients are left on the hair surface after rinsing and modify characteristics such as feel, softness, combability, and static charge.
- Shampoos that specifically feature conditioning as a benefit are called 2-in-l shampoos because they clean and condition hair in the same step.
- conditioning agents include quaternary agents such as Quaternium 80, Polyquaternium-10, polyquaternium-7, polyquaternium-67, Guar Hydroxypropyltrimonium Chloride and polymers such as, Dimethicone, dimethicanol, amino based silicone and cyclomethicone which are silicones.
- a variety of other compounds may be included in shampoos if desired. Dyes for changing color, fragrances for changing the odor, pH adjustment ingredients, chelating agents, opacifying ingredients, and more. Frequently, story ingredients are included so marketers will have something to talk about. This includes things like vitamins, proteins, and herbal extracts which are not normally expected to have any impact on the final product performance. Medicated shampoos like anti-dandruff shampoos will include a drug active ingredient like zinc pyrithione.
- Formulations of the present disclosure can contain any useful amount of the combined modified starch and hydrocolloid of the present disclosure. Formulations will preferably contain between 1-10%, 1-7%, 2-6%, or 3-6% by weight of the combined modified starch and hydrocolloid in the final formulations.
- Formulations of the present disclosure can contain hydrocolloid and modified starch of the present disclosure in a weight ratio of 1 : 1 to 1 :75.
- the formulations of the present disclosure can contain hydrocolloid and the modified starch of the present disclosure in a weight ratio of 1 : 1 to 1 :40.
- the formulations of the present disclosure can contain hydrocolloid and the modified starch of the present disclosure in a weight ratio of 1 : 1 to 1 : 10.
- the formulations of the present disclosure can contain hydrocolloid and the modified starch of the present disclosure in a weight ratio of 1 :5 to 1:8.
- the formulations of the present disclosure can contain hydrocolloid and the modified starch of the present disclosure in a weight ratio of 1 :2 to 1:10.
- Mw, Mn of a modified-starch sample was determine as follows: The sample was dissolved in DMSO-water 90-10 v:v at about 2 wt% dry substance.
- the GPC system used was Waters 600 controller with Waters 717 plus autosampler. Detector: water 2414 Refractive index detector.
- the RI detector system was calibrated with a set of Pullulans of known molecular weight. Also, a reference starch having a peak molecular weight of 20.10 6 (measured by static Light Scattering), and a five units dextrose linear polymer (DP 5) was injected. For each calibrant, the logarithm of the molecular weight is plotted against the retention time.
- the data processing system After completion of a run, the data processing system fitted the baseline, and cut the area comprised between the baseline and the chromatogram into a large number of small slices. The area of each slice was recorded, and the molecular weight corresponding to each slice was derived from the calibration curve. Using those data, the data processing system calculated the molecular weights.
- Eluent NaOH 0.05 M in HPLC grade water, filtered through 0.45 um filter, degassed and maintained at about 70 °C. Flow: 1.0 ml/min. Injection: 20 m ⁇ . Detection: Differential refractive index.
- Data acquisition Atlas from Thermo. Data processing; Caliber (GPC package from Polymer Labs).
- DE was determined according to the well-known Lane and Eynon method using the following apparatus.
- Titrating Assembly a ring support was mounted on a ringstand 1-2 ins. above a gas burner and a second ring 6-7 ins. above the first.
- a 6 in. open wire gauze was placed on the lower ring to support a 200 mL Erlenmeyer flask and a 4 in. watch glass with center hole on the upper ring to deflect heat.
- a 25 mL buret was attached to the ringstand so that the tip just passes through the watch glass centered above the flask (funnel top buret with diagonal TEFLON Plug, KIMAX No.
- the sample was transferred quantitatively to a 500 mL volumetric flask with the aid of hot water, cool to room temperature, diluted to volume and mixed thoroughly. 25.0 mL of standardized mixed Fehling's Solution was pipetted into a 200 mL Erlenmeyer flask and a few glass beads were added. The sample solution was added by means of the buret to within 0.5 mL of the anticipated end point (determined by preliminary titration). Immediately the flask was placed on the wire gauze of the titration assembly, and the burner adjusted so that the boiling point will be reached in about 2 mins. The solution was brought to boil and boiled gently for 2 mins. As boiling continues, 2 drops of methylene blue indicator were added and the titration was completed within 1 min. by adding sample solution dropwise or in small increments until the blue color disappears. The dry substance concentration of the sample was determined.
- Comparative samples were prepared using a model sulphate free surfactant system at 12% by weight of the formulations: 5% Sodium Methyl Cocoyl Taurate, 4% Sodium Cocoyl Glutamate, 3% Cocamidopropyl betaine (CAPB), 0.3% UCARETM JR-400P from Dow Chemical. Test formulations were then prepared by inclusion of the ingredients listed in Tables 1 and 2. Water, perfume, pH adjustments and preservatives make up the remainder of the formulations.
- the control formulation without any xanthan gum or starch had a viscosity of less than 100 mPaS.
- the control formulation with only 5% of HP starch also had viscosity less than 100 mPaS.
- the combination of HP starch and xanthan gum in the specific ratios allowed preparation of stable sulphate free shampoos with excellent viscosity and foaming abilities.
- the mixture of HP starch and xanthan gum provides the required increase viscosity to the surfactant base as well as the stability of all ingredients that needs suspension performances/power. As shown in table 1, the ingredient stabilised was 0.1% pearlescent mica. Other ingredients in need of suspension could be stabilized by the formulations of the present disclosure as well.
- phase A pour approximately 40% of the expected formulation water into a beaker, add the xanthan gum into water while stirring, then put under homogenization with UltraTurrax if needed. Heat phase A to be 70 ⁇ 80 °C. Add the ingredients of phase B one by one into phase A while stirring, stir to be uniform @ ⁇ 900 rpm. Create Phase C by mixing the PQ-10 into approximately 5% of the expected formulation water and add into phase A+B while stirring. Add the HP Starch and stir to uniformity. Allow mixture to cool down to be 40 °C and add ingredients listed in Phase E and remaining formulation water to 100%, adjust pH between 5.5 and 5.8 with citric acid, and stir to uniformity.
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Abstract
La présente invention concerne la combinaison d'hydrocolloïdes et d'amidons modifiés dans un rapport spécifique pour fournir des formulations de soins personnels stables ayant des activités souhaitables de viscosité et de moussage. La texture et le toucher des produits de soins personnels sont essentiels en termes d'attentes des clients. Les compositions de la présente invention sont particulièrement utiles dans des formulations de soins personnels sensiblement ou totalement exemptes de sulfate. Les hydrocolloïdes utiles et les amidons modifiés sont des gommes de xanthane et des amidons hydroxypropylés hydroxylés.
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CN202110721571.4A CN115590785A (zh) | 2021-06-28 | 2021-06-28 | 个人护理产品的改进的制剂 |
CN202110721571.4 | 2021-06-28 | ||
US202163221309P | 2021-07-13 | 2021-07-13 | |
US63/221,309 | 2021-07-13 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050201967A1 (en) * | 2003-12-03 | 2005-09-15 | Beiersdorf Ag | Surfactant-containing preparation with licochalcone A |
EP1685162A1 (fr) | 2003-11-13 | 2006-08-02 | Cerestar Holding B.V. | Methode pour modifier l'amidon et les derives d'amidon |
US20060228319A1 (en) * | 2005-04-11 | 2006-10-12 | Vona Samuel A Jr | Personal cleansing and shaving films |
US8362089B2 (en) * | 2003-05-14 | 2013-01-29 | Akzo Nobel N.V. | Aqueous composition for cosmetics and cosmetic including the same |
US20170014313A1 (en) * | 2015-07-15 | 2017-01-19 | Nohbo, LLC | Hygiene product tablet and methods of forming same |
US20200170918A1 (en) * | 2018-12-03 | 2020-06-04 | Henkel Ag & Co. Kgaa | Naturally thickened cosmetic cleaning agents |
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Publication number | Priority date | Publication date | Assignee | Title |
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US8362089B2 (en) * | 2003-05-14 | 2013-01-29 | Akzo Nobel N.V. | Aqueous composition for cosmetics and cosmetic including the same |
EP1685162A1 (fr) | 2003-11-13 | 2006-08-02 | Cerestar Holding B.V. | Methode pour modifier l'amidon et les derives d'amidon |
US20050201967A1 (en) * | 2003-12-03 | 2005-09-15 | Beiersdorf Ag | Surfactant-containing preparation with licochalcone A |
US20060228319A1 (en) * | 2005-04-11 | 2006-10-12 | Vona Samuel A Jr | Personal cleansing and shaving films |
US20170014313A1 (en) * | 2015-07-15 | 2017-01-19 | Nohbo, LLC | Hygiene product tablet and methods of forming same |
US20200170918A1 (en) * | 2018-12-03 | 2020-06-04 | Henkel Ag & Co. Kgaa | Naturally thickened cosmetic cleaning agents |
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