CA1099645A - Unscented antiperspirant stick containing cyclic siloxane pentamer - Google Patents
Unscented antiperspirant stick containing cyclic siloxane pentamerInfo
- Publication number
- CA1099645A CA1099645A CA312,417A CA312417A CA1099645A CA 1099645 A CA1099645 A CA 1099645A CA 312417 A CA312417 A CA 312417A CA 1099645 A CA1099645 A CA 1099645A
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Abstract
27,259 ABSTRACT OF THE DISCLOSURE
A naturally unscented cosmetics composition, and particularly an antiperspirant stick comprising a fatty alcohol, an astringent material, a highly ethoxylated fatty alcohol and 2,4,6,8,10-decamethylcyclopentasiloxane of at least 96% purity.
A naturally unscented cosmetics composition, and particularly an antiperspirant stick comprising a fatty alcohol, an astringent material, a highly ethoxylated fatty alcohol and 2,4,6,8,10-decamethylcyclopentasiloxane of at least 96% purity.
Description
27,259 1~9~6~5 This invention relates to an improved cosmetic preparation in general, and to unscented antiperspirant and deodorant compositions in particular~ More specifically, the invention relates to unscented wax-like compositions useful for antiperspirant or deodorant sticks, generally hydrophobic in nature, which contain ingredients having a high hydrophile-lipophile balance (HLB) to improve the efficacy of such compo-sitions.
In general, both co~metic and pharmaceutical prepa-rations in the form of sticks consist of wax-like components, usually hydrophobic in nature, which function mainly as a base for an active ingredient. In the case of antiperspirants the active ingredient is normally an astringent, such as alumi-num chlorohydrate, or another similarly used compound. The wax-base may, of course, consist of many ingredients to pro-vide specific properties in addition to its primary function.
British Patent 1,156,812 describes a cosmetic or pharmaceutical stick in which the base consists of mixtures of polyglycol esters of fatty acids, for example C12 to C22 fatty acids, such as stearic acid, and polyglycol esters of wax acids, such as Montanic wax. The patentees additionally disclose that fatty alcohols, such as stearyl alcohol, may be incorporated as well as certain ingredients that care for the skin or improve the absorbability of the active ingredient.
The polyglycol esters of fatty acids and wax acids are obtained by esterification thereof with alkylene oxides or polyethylene glycols, built up from 2 to 100, preferably 3 to 30 molecules of ethylene oxide. Thus, the esters have the structure:
R - C - 0 ( CH2CH20 ~ H
wherein R represents the aliphatic portion of the alcohol and n is an integer from 2 to 100.
In co-pending, commonly assigned Canadian application, Serial number 282,590, filed September 17, 1977, there is described an efficacious cosmetic or pharmaceutical stick~ particularly an antiperspirant stick, containing a wax-like fatty alcohol, e.g., stearyl alcohol, an astringent material, a volatile silicone, and a highly ethoxylated fatty alcohol.
The sticks described have a distinctive base odor. In order to provide a truly unscented stick, prior art methods suggest the use of masking agents for the base odor. Masking agents include neutral scent fragrance oils, musk oils, and low levels of conventional fragrances.
We have now found that if impurities present in the volatile silicone are substantially removed the resuling stick is essentially unscented.
According to the present invention, there is provided a naturally unscented antiperspirant cosmetic composition consisting essential-ly of, as the major ingredients by weight, from 15 to 25 percent of a wax-like, fatty alcohol having a purity of at least 95%, from 15 to 30 percent by weight of an inorganic astringent salt, from 0.01 to 5 percent of a poly-ethoxylated fatty alcohol represented by the formula:
RO ~ cH2CH2O ~ H
wherein R represents an alkyl radical of 16 to 18 carbon atoms and n is an integer of 100 to 200, and from 20 to 80 percent of 2,4,6,8,10-decamethyl-cyclopentasiloxane having a purity of at least about 96%.
The present invention is based on the discovery of an unscented cosmetic or pharmaceutical stick, particularly an antiperspirant stick composition, comprising a wax-like fatty alcohol, an astringent material, a highly ethoxylated fatty alcohol and pure (2 96%~ 2,4,6,8,10-decamethyl-cyclopentasiloxane.
1~9964S
When impure (c96%) cyclic pentamer is used, the resulting stick has a base odor which was found to be substantially contributed by small amounts of cyclic dimer and trimer. Purification of the cyclic pentamer by removal of these impurities and use of the purified pentamer results in a truly unscented stick.
-2a-J
-` 1(399645 The bases generally used heretofore in antiperspi-rant compositions, especially those containing aluminum chlo-rohydrate, form a hydrophobic film around the aluminum chloro-hydroxide, thus preventing or at least interfering with perme-ation of moisture (perspiration) through the film, which is necessary in order to activate the aluminum chlorohydroxide or other astringent and thereby provide effective antiperspi-rant activity. The bases generally used heretofore, including those described in British Patent 1,156,812, that is, the pre-ferred composition containing polyethoxylated esters having 3 to 20 moles of ethylene oxide, have not adequately overcome this problem and are, therefore, not entirely satisfactory in prov$ding high antiperspirant efficacy.
The polyetherified fatty alcohols used in the pres-ent invention facilitate moisture permeation through the film surrounding the active ingredient, thereby enhancing contact thereof with ths axilla, and increasing the efficacy of the antiperspirant composition.
The polyetherified fatty alcohols, described by the aforementioned formula, are obtained by the condensation of from about 100 to 200 moles of ethylene oxide with a fatty alcohol containing from about 12 to 20 carbon atoms, prefer-ably 16 to 18 carbon atoms. Polyethoxylated stearyl alcohol, cetyl alcohol, or mixtures thereof, are preferred.
The polymers obtained by etherification of the fatty alcohols appear to exhibit a high hydrophile-lipophile balance heretofore not known or used in cosmetic preparations. Poly-ethoxylated lower alcohols, for example polyethoxylated butyl alcohol, containing up to about 50-60 molecules of ethylene oxide are known and are available on the market.
The polyetherified fatty alcohols may also be ob-tained by etherification of a fatty alcohol with a polymer of ethylene oxide.
Hydrophile-lipophile balance (HLB) is a term well-known to cosmetic chemists, and was first suggested by Griffen, J. Soc. Cosmetic Chemists 1,311 (1949).
The amount of polyetherified fatty alcohol used in the compositions of the present invention may range from about 0.01 to 5.0 percent by weight, preferably about 1.0 to 3~0 percent by weight.
The fatty alcohol, e.g., stearyl alcohol or cetyl alcohol, or mixture thereof, should be pure, i.e., at least about 95~ and is present in an amount of about 15 to 2S percent by weight. It may be replaced in part, depending on the hard-ness of the ~tick, with the ethoxylated fatty alcohol or with up to about 5 percent by weight of a modified clay, such as montmorillonite clay, e.g~, the Bentones*(National Lead Ind.), which are the reaction products of the clay with dimethyl distearyl ammonium chloride; no more than S percent Bentone should be used and it is emphasized that as the ethylene oxide content of the ethoxylated fatty alcohol increases, so does the hardness of the product increase.
We have found that antiperspirant compositions con-taining a volatile silicone provide improved non-staining properties and are non-sticky. However, in accordance with the invention, to provide an unscented stick, at least about 96~ pure 2,4,6,8,10-decamethylcyclopentasiloxane should be used.
The cyclic silicones are isolated from the hydroly-sis product of dimethyldichlorosilane; see Patnode, Wilcox, Trademark 4 j~
1~)95~645 J. ~m. Chem. Soc. 68, 358 (1946). The lower impuriti~s, such as the cyclic dimer and trimer, may be removed by distilla-tion frorn the major pentamer product. The cyclic pentamer may be used in an amount of from about 20 to about 80 percent by weight.
Among the useful astringents are aluminum sulfate, aluminum chloride, aluminum chlorhydrate, aluminum sulfo-carbolate, aluminum-zirconium chlorhydrate, zinc chloride, zinc sulfocarbolate, zinc sulfate, zirconium salts, such as zirconium chlorhydrate, combinations of aluminum chloride and aluminum-zirconium chlorhydrate, aluminum-zirconium chlohydroglycinex and the like. In the aluminum chlorhydrate, and aluminum-zirconium chlorhydrate, the ratio of aluminum to chloride may range from 2~1:1 to 0.9.1 and the ratio of aluminum to zirconium may range from 2.5:1 to 10.5:1. Alumi-num chlorhydrate is preferred. It may be used as a solution or in granular or impalpable form.
The astringent material may also be suspended or dissolved in water or alcohol. Where the astringent is sus-pended in the stick, a Bentone, such as Bentone 27, 34, or 38 may be used to improve the suspension and provide a more homogeneous dispersion. Where the astringent is predissolved in water or alcohol, a fumed silica (hydrophobic) such as Tullanox (Cabot, Inc.) may be added in a suitable blender to form a dry powder form of the astringent which may be added to the stick.
The acti~e ingredient may be used in amounts up to about 35~ by weight, although normally from about 15 to 25%
by weight is used. In any case, sufficient should be added to provide a 20% reduction in perspiration in 50~ of the Trademark L~
lV9964S
population. More astringent is usually needed in a stick form of antiperspirant.
The sticks of the present invention containing about 25~ aluminum chlorhydrate are also excellent deodorants.
The following examples further illustrate the invention.
Exa_ple 1 Parts_ y Weight Ethoxylated stearyl alcohol (1) 1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Aluminum chloride hexahydrate (50% aqueous solution) 4.0 . Fumed silica (2) 0.2 Cyclic silicone pentamer (3) 49.8 100. 0 (1) CH3(Cl~2)17O-~CH2CH2O-too
In general, both co~metic and pharmaceutical prepa-rations in the form of sticks consist of wax-like components, usually hydrophobic in nature, which function mainly as a base for an active ingredient. In the case of antiperspirants the active ingredient is normally an astringent, such as alumi-num chlorohydrate, or another similarly used compound. The wax-base may, of course, consist of many ingredients to pro-vide specific properties in addition to its primary function.
British Patent 1,156,812 describes a cosmetic or pharmaceutical stick in which the base consists of mixtures of polyglycol esters of fatty acids, for example C12 to C22 fatty acids, such as stearic acid, and polyglycol esters of wax acids, such as Montanic wax. The patentees additionally disclose that fatty alcohols, such as stearyl alcohol, may be incorporated as well as certain ingredients that care for the skin or improve the absorbability of the active ingredient.
The polyglycol esters of fatty acids and wax acids are obtained by esterification thereof with alkylene oxides or polyethylene glycols, built up from 2 to 100, preferably 3 to 30 molecules of ethylene oxide. Thus, the esters have the structure:
R - C - 0 ( CH2CH20 ~ H
wherein R represents the aliphatic portion of the alcohol and n is an integer from 2 to 100.
In co-pending, commonly assigned Canadian application, Serial number 282,590, filed September 17, 1977, there is described an efficacious cosmetic or pharmaceutical stick~ particularly an antiperspirant stick, containing a wax-like fatty alcohol, e.g., stearyl alcohol, an astringent material, a volatile silicone, and a highly ethoxylated fatty alcohol.
The sticks described have a distinctive base odor. In order to provide a truly unscented stick, prior art methods suggest the use of masking agents for the base odor. Masking agents include neutral scent fragrance oils, musk oils, and low levels of conventional fragrances.
We have now found that if impurities present in the volatile silicone are substantially removed the resuling stick is essentially unscented.
According to the present invention, there is provided a naturally unscented antiperspirant cosmetic composition consisting essential-ly of, as the major ingredients by weight, from 15 to 25 percent of a wax-like, fatty alcohol having a purity of at least 95%, from 15 to 30 percent by weight of an inorganic astringent salt, from 0.01 to 5 percent of a poly-ethoxylated fatty alcohol represented by the formula:
RO ~ cH2CH2O ~ H
wherein R represents an alkyl radical of 16 to 18 carbon atoms and n is an integer of 100 to 200, and from 20 to 80 percent of 2,4,6,8,10-decamethyl-cyclopentasiloxane having a purity of at least about 96%.
The present invention is based on the discovery of an unscented cosmetic or pharmaceutical stick, particularly an antiperspirant stick composition, comprising a wax-like fatty alcohol, an astringent material, a highly ethoxylated fatty alcohol and pure (2 96%~ 2,4,6,8,10-decamethyl-cyclopentasiloxane.
1~9964S
When impure (c96%) cyclic pentamer is used, the resulting stick has a base odor which was found to be substantially contributed by small amounts of cyclic dimer and trimer. Purification of the cyclic pentamer by removal of these impurities and use of the purified pentamer results in a truly unscented stick.
-2a-J
-` 1(399645 The bases generally used heretofore in antiperspi-rant compositions, especially those containing aluminum chlo-rohydrate, form a hydrophobic film around the aluminum chloro-hydroxide, thus preventing or at least interfering with perme-ation of moisture (perspiration) through the film, which is necessary in order to activate the aluminum chlorohydroxide or other astringent and thereby provide effective antiperspi-rant activity. The bases generally used heretofore, including those described in British Patent 1,156,812, that is, the pre-ferred composition containing polyethoxylated esters having 3 to 20 moles of ethylene oxide, have not adequately overcome this problem and are, therefore, not entirely satisfactory in prov$ding high antiperspirant efficacy.
The polyetherified fatty alcohols used in the pres-ent invention facilitate moisture permeation through the film surrounding the active ingredient, thereby enhancing contact thereof with ths axilla, and increasing the efficacy of the antiperspirant composition.
The polyetherified fatty alcohols, described by the aforementioned formula, are obtained by the condensation of from about 100 to 200 moles of ethylene oxide with a fatty alcohol containing from about 12 to 20 carbon atoms, prefer-ably 16 to 18 carbon atoms. Polyethoxylated stearyl alcohol, cetyl alcohol, or mixtures thereof, are preferred.
The polymers obtained by etherification of the fatty alcohols appear to exhibit a high hydrophile-lipophile balance heretofore not known or used in cosmetic preparations. Poly-ethoxylated lower alcohols, for example polyethoxylated butyl alcohol, containing up to about 50-60 molecules of ethylene oxide are known and are available on the market.
The polyetherified fatty alcohols may also be ob-tained by etherification of a fatty alcohol with a polymer of ethylene oxide.
Hydrophile-lipophile balance (HLB) is a term well-known to cosmetic chemists, and was first suggested by Griffen, J. Soc. Cosmetic Chemists 1,311 (1949).
The amount of polyetherified fatty alcohol used in the compositions of the present invention may range from about 0.01 to 5.0 percent by weight, preferably about 1.0 to 3~0 percent by weight.
The fatty alcohol, e.g., stearyl alcohol or cetyl alcohol, or mixture thereof, should be pure, i.e., at least about 95~ and is present in an amount of about 15 to 2S percent by weight. It may be replaced in part, depending on the hard-ness of the ~tick, with the ethoxylated fatty alcohol or with up to about 5 percent by weight of a modified clay, such as montmorillonite clay, e.g~, the Bentones*(National Lead Ind.), which are the reaction products of the clay with dimethyl distearyl ammonium chloride; no more than S percent Bentone should be used and it is emphasized that as the ethylene oxide content of the ethoxylated fatty alcohol increases, so does the hardness of the product increase.
We have found that antiperspirant compositions con-taining a volatile silicone provide improved non-staining properties and are non-sticky. However, in accordance with the invention, to provide an unscented stick, at least about 96~ pure 2,4,6,8,10-decamethylcyclopentasiloxane should be used.
The cyclic silicones are isolated from the hydroly-sis product of dimethyldichlorosilane; see Patnode, Wilcox, Trademark 4 j~
1~)95~645 J. ~m. Chem. Soc. 68, 358 (1946). The lower impuriti~s, such as the cyclic dimer and trimer, may be removed by distilla-tion frorn the major pentamer product. The cyclic pentamer may be used in an amount of from about 20 to about 80 percent by weight.
Among the useful astringents are aluminum sulfate, aluminum chloride, aluminum chlorhydrate, aluminum sulfo-carbolate, aluminum-zirconium chlorhydrate, zinc chloride, zinc sulfocarbolate, zinc sulfate, zirconium salts, such as zirconium chlorhydrate, combinations of aluminum chloride and aluminum-zirconium chlorhydrate, aluminum-zirconium chlohydroglycinex and the like. In the aluminum chlorhydrate, and aluminum-zirconium chlorhydrate, the ratio of aluminum to chloride may range from 2~1:1 to 0.9.1 and the ratio of aluminum to zirconium may range from 2.5:1 to 10.5:1. Alumi-num chlorhydrate is preferred. It may be used as a solution or in granular or impalpable form.
The astringent material may also be suspended or dissolved in water or alcohol. Where the astringent is sus-pended in the stick, a Bentone, such as Bentone 27, 34, or 38 may be used to improve the suspension and provide a more homogeneous dispersion. Where the astringent is predissolved in water or alcohol, a fumed silica (hydrophobic) such as Tullanox (Cabot, Inc.) may be added in a suitable blender to form a dry powder form of the astringent which may be added to the stick.
The acti~e ingredient may be used in amounts up to about 35~ by weight, although normally from about 15 to 25%
by weight is used. In any case, sufficient should be added to provide a 20% reduction in perspiration in 50~ of the Trademark L~
lV9964S
population. More astringent is usually needed in a stick form of antiperspirant.
The sticks of the present invention containing about 25~ aluminum chlorhydrate are also excellent deodorants.
The following examples further illustrate the invention.
Exa_ple 1 Parts_ y Weight Ethoxylated stearyl alcohol (1) 1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Aluminum chloride hexahydrate (50% aqueous solution) 4.0 . Fumed silica (2) 0.2 Cyclic silicone pentamer (3) 49.8 100. 0 (1) CH3(Cl~2)17O-~CH2CH2O-too
(2) Silane treated, hydrophobic, Tullanox 500 (Cabot, Inc.)
(3) 2,4,6,8,10-decamethylcyclopenta-siloxane (> ~6%) Stearyl alcohol, ethoxylated stearyl alcohol, and the cyclic s.il.icone are melted together at 65C and kept agi-tated. The aluminum chlorhydrate and the aluminum chloride mixed with the fumed silica are added at 65C and stirred until homogeneously dispersed. Finally, the batch is passed through an in-line shear flow pump at 65C (at least one pass is required). The batch is then allowed to cool to 52-55C, poured into suitable c~ntainers and then cooled to 40C.
The ethoxylated stearyl alcohol in the above formu-lation may be replaced by stearyl alcohol ethoxylated with 150 or 200 moles of ethylene oxide, or with a simi.larly eth-oxylated cetyl alcohol, with similar results~
1(~9964S
... . . . .
Example 2 Parts by ~eight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcollol (95~) 20.0 Aluminum chlorhydrate (4) 25.0 Bentone 38 0.5 Montan wax 1.0 Cyclic sil.icone pentamer (> 95%)52.5 100. 0
The ethoxylated stearyl alcohol in the above formu-lation may be replaced by stearyl alcohol ethoxylated with 150 or 200 moles of ethylene oxide, or with a simi.larly eth-oxylated cetyl alcohol, with similar results~
1(~9964S
... . . . .
Example 2 Parts by ~eight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcollol (95~) 20.0 Aluminum chlorhydrate (4) 25.0 Bentone 38 0.5 Montan wax 1.0 Cyclic sil.icone pentamer (> 95%)52.5 100. 0
(4) Organically treated to be alcoho]
- soluble Example 3 . Parts by Weight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum/zirconium chlorhydrate29.0 . Fumed silica (2) 0.2 : Cyclic silicone`pentamer (~ 96%149.8 100. 0 :~20: Example 4 . ~
~ Parts by Weight :: ~
:: Ethoxylated cetyl alco~ol (5) 1.0 . .
Cetyl alcohol (95~) 17.0 :~ Aluminum chlorhydrate 15.0 ; 25 Al~uminum chlorhydroxide : (50~ aqueous solution) 20.0 Fumed silica 1.0 Cyclic silicone pentamer (> 96~)46.0 100.0
- soluble Example 3 . Parts by Weight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum/zirconium chlorhydrate29.0 . Fumed silica (2) 0.2 : Cyclic silicone`pentamer (~ 96%149.8 100. 0 :~20: Example 4 . ~
~ Parts by Weight :: ~
:: Ethoxylated cetyl alco~ol (5) 1.0 . .
Cetyl alcohol (95~) 17.0 :~ Aluminum chlorhydrate 15.0 ; 25 Al~uminum chlorhydroxide : (50~ aqueous solution) 20.0 Fumed silica 1.0 Cyclic silicone pentamer (> 96~)46.0 100.0
(5) CH3(cH2)14CH20-~CH2CH2 -~100 R ~ ~ PK
1~9964S
.. . _ . . . .
E~ample 5 Parts by Weight F,thoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Bentonite clay (7~ 0.5 Cyclic silicone pentamer (> 96%)53.5 100. 0 ~7) OrcJanically treated Montmorillonite clay Example 6 Parts by Weight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum chloride hexahydrate (50% aqueous solution) 4.0 Eumed silica 0.2 Cyclic silicone pentamer (> 96~)74.8 100. 0 Example 7 .
20 : Parts by Weight .Ethoxylated stearyl alcohol (8)1.0 Stearyl alcohol (956) 20.0 Aluminum chlorhydrate ~:~ (50% aqueous solution) 16.0 Aluminum chloride hexahydrate (50-O aqueous solution) 4.0 Fumed silica 1.0 Aluminum chlorhydroxide 15.0 Cyclic silicone pentamer (> 966)43.0 1 00 . O
(8) C}~3(C~l2)170-~C112C112 -t200 ` ` 1~996~5 _xample 8 Parts by Weight Ethoxylated stearyl alcohol 1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Cyclic silicone pentamer (> 96%) 54.0 100.0 .
, ' ' ~.
: .: ~: : . .
20:~
1~9964S
.. . _ . . . .
E~ample 5 Parts by Weight F,thoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Bentonite clay (7~ 0.5 Cyclic silicone pentamer (> 96%)53.5 100. 0 ~7) OrcJanically treated Montmorillonite clay Example 6 Parts by Weight Ethoxylated stearyl alcohol (1)1.0 Stearyl alcohol (95%) 20.0 Aluminum chloride hexahydrate (50% aqueous solution) 4.0 Eumed silica 0.2 Cyclic silicone pentamer (> 96~)74.8 100. 0 Example 7 .
20 : Parts by Weight .Ethoxylated stearyl alcohol (8)1.0 Stearyl alcohol (956) 20.0 Aluminum chlorhydrate ~:~ (50% aqueous solution) 16.0 Aluminum chloride hexahydrate (50-O aqueous solution) 4.0 Fumed silica 1.0 Aluminum chlorhydroxide 15.0 Cyclic silicone pentamer (> 966)43.0 1 00 . O
(8) C}~3(C~l2)170-~C112C112 -t200 ` ` 1~996~5 _xample 8 Parts by Weight Ethoxylated stearyl alcohol 1.0 Stearyl alcohol (95%) 20.0 Aluminum chlorhydrate 25.0 Cyclic silicone pentamer (> 96%) 54.0 100.0 .
, ' ' ~.
: .: ~: : . .
20:~
Claims (6)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A naturally unscented antiperspirant cosmetic composition consisting essentially of, as the major ingredients by weight, from 15 to 25 percent of a wax-like, fatty alcohol having a purity of at least 95%, from 15 to 30 percent by weight of an inorganic astringent salt, from 0.01 to 5 percent of a polyethoxylated fatty alcohol represented by the formula:
wherein R represents an alkyl radical of 16 to 18 carbon atoms and n is an integer of 100 to 200, and from 20 to 80 percent of 2,4,6,8,10-decamethyl cyclopentasiloxane having a purity of at least about 96%.
wherein R represents an alkyl radical of 16 to 18 carbon atoms and n is an integer of 100 to 200, and from 20 to 80 percent of 2,4,6,8,10-decamethyl cyclopentasiloxane having a purity of at least about 96%.
2. The composition of Claim 1 wherein the fatty alcohol is cetyl or stearyl alcohol and is present in from about 15 to 25 percent by weight.
3. The composition of Claim 1 wherein the astringent salt is an aluminum salt or a zirconium salt or mixtures thereof.
4. The composition of Claim 3 wherein the salts are aluminum or zirconium chlorhydrate, the ratio of aluminum or zirconium is from about 2.1:1 to 0.9:1 and the ratio of aluminum to zirconium is from about 2.5:1 to 10.5:1.
5. The composition of Claim 1 wherein said poly-ethoxylated alcohol is present from about 1 to 3 percent by weight.
6. The composition of Claim 1 wherein said composition contains from about 0 to 5 percent by weight of a modified clay.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87805078A | 1978-02-15 | 1978-02-15 | |
| US878,050 | 1992-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1099645A true CA1099645A (en) | 1981-04-21 |
Family
ID=25371275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA312,417A Expired CA1099645A (en) | 1978-02-15 | 1978-09-29 | Unscented antiperspirant stick containing cyclic siloxane pentamer |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1099645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840789A (en) * | 1987-10-16 | 1989-06-20 | The Procter & Gamble Company | Antiperspirant creams |
| US5069897A (en) * | 1987-10-16 | 1991-12-03 | The Proctor & Gamble Company | Antiperspirant creams |
-
1978
- 1978-09-29 CA CA312,417A patent/CA1099645A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840789A (en) * | 1987-10-16 | 1989-06-20 | The Procter & Gamble Company | Antiperspirant creams |
| US5069897A (en) * | 1987-10-16 | 1991-12-03 | The Proctor & Gamble Company | Antiperspirant creams |
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