WO2022175018A1 - Device with counter-form for cleansing the hair by ultrasound - Google Patents
Device with counter-form for cleansing the hair by ultrasound Download PDFInfo
- Publication number
- WO2022175018A1 WO2022175018A1 PCT/EP2022/051302 EP2022051302W WO2022175018A1 WO 2022175018 A1 WO2022175018 A1 WO 2022175018A1 EP 2022051302 W EP2022051302 W EP 2022051302W WO 2022175018 A1 WO2022175018 A1 WO 2022175018A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- probe
- hair
- counter
- lock
- cleansing
- Prior art date
Links
- 210000004209 hair Anatomy 0.000 title claims abstract description 72
- 238000002604 ultrasonography Methods 0.000 title claims description 24
- 239000000523 sample Substances 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- 239000002537 cosmetic Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 125000000129 anionic group Chemical group 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 description 7
- 210000001520 comb Anatomy 0.000 description 6
- 239000006199 nebulizer Substances 0.000 description 6
- 244000045947 parasite Species 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002453 shampoo Substances 0.000 description 5
- 239000003945 anionic surfactant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000527 sonication Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 102000011782 Keratins Human genes 0.000 description 2
- 108010076876 Keratins Proteins 0.000 description 2
- -1 alkyl sulfate salt Chemical class 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002535 acidifier Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000002610 basifying agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229920013750 conditioning polymer Polymers 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000003658 preventing hair loss Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
- A45D19/0041—Processes for treating the hair of the scalp
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
- A45D19/0041—Processes for treating the hair of the scalp
- A45D19/005—Shampooing; Conditioning; Washing hair for hairdressing purposes
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
- A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
- A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
- A45D19/024—Hand-actuated implements, e.g. hand-actuated spray heads comprising two clamping surfaces for insertion of hair there between
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
- A45D19/04—Portable wash stands
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/20—Additional enhancing means
- A45D2200/207—Vibration, e.g. ultrasound
Definitions
- the present invention relates to a hand-held device for cleansing the hair by ultrasound. It also relates to a method that uses said hand-held device, in the presence of a cosmetic composition, in particular of a shampoo.
- a cosmetic product is a product as defined in Regulation (EC) No 122B/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products.
- Still other documents relate to shower devices, such as CN2191621.
- US2018207690 refers to the use of emulsifier for cleansing hair extensions with movement of the locks through a plurality of compartments respectively allowing washing, rinsing and then drying.
- the document CN2720876 relates to a portable device with two separate spaces containing water and shampoo respectively and an ultrasound emitting system for washing the hair.
- this device does not allow easy gripping of the part of the head of hair to be treated, resulting in a lack of effectiveness and losses of surfactant solution.
- the patent application W02011001084 relates to a method for treating hair fibres with application of a cosmetic composition and sonication, these two steps being separate. Said document does not mention the application of ultrasound for washing the hair. Shampoo washing is only mentioned as a post-treatment to dyeing, therefore outside the sonication, since the two objectives conflict with one another, namely closing the scales for shampooing and opening them for sonication.
- the patent application WO2017118984 relates to a system for removing parasites from the head of hair by means of a device comprising an ultrasonic transmitter for generating ultrasound radiation and a plurality of teeth extending from a base of the device, wherein the plurality of teeth comprises a vibrating tooth and a reflecting tooth, wherein the ultrasound radiation is transmitted by the vibrating tooth and reflected by the reflecting tooth so as to allow damage to a parasite situated between these same teeth.
- This document never mentions an application other than that of destroying parasites and their larvae. In particular, washing the hair is never mentioned. What is more, the use of the device described in this document is never accompanied by the use of a composition, whether cosmetic or otherwise.
- Patent application AU2012221702 relates to a device for damaging a parasite while it is on a surface of the body of a mammal, comprising an ultrasonic transmitter for generating ultrasound radiation; a hand-held device coupled to said ultrasonic transmitter suitable for being placed in proximity to the parasite and to transfer ultrasound radiation thereto, where said hand-held device comprises a plurality of teeth extending from a base of the device, wherein the plurality of teeth and/or the ultrasonic transmitter comprises at least one vibrating element, which is coupled to the plurality of teeth.
- the removal of the parasites can take place after irradiation by combing or under vacuum. There is no mention of an application for washing the hair during irradiation.
- Ultrasonication only occurs in a variant of the device with an electrostatic charger and more particularly a variant of the nebulizer for generating mist from a shampoo formulation.
- the nebulizer is situated in the device upstream of the teeth of the comb. This mist is expelled through an orifice situated at the distal end of the teeth.
- the nebulizer which may be provided with the ultrasound generator, is situated in the device upstream of the teeth of the comb. Ultrasound is therefore not emitted at the hair.
- the creation of electrostatic charges on the hair can be a curb on the adsorption of the active agents of the shampoo as a result of repulsion phenomena, hence a possible deterioration in their effectiveness. If the hair is negatively charged, the adsorption of anionic surfactants and anionic polymers can be limited. If they are positively charged, the adsorption of cationic conditioning polymers can be limited.
- a subject of the invention is a cosmetic device for cleansing the hair, comprising:
- an ultrasonic transmitter having an ultrasonic transducer powered by a current generator and configured to generate ultrasonic vibrations
- a handpiece comprising a probe coupled to the ultrasonic transmitter so as to transmit the ultrasonic vibrations generated by the transducer to a lock of hair to be treated, the probe extending along a longitudinal axis X between a proximal outer surface and a distal outer surface,
- the handpiece also comprises a counter-form provided with a bearing surface, so as to at least partially receive the lock of hair to be treated, the probe cooperating with the counter form so as to pinch the lock of hair between the bearing surface of the counter-form and the distal outer surface of the probe.
- the distal outer surface of the probe is placed "in the immediate vicinity of the surface of the hair to be cleansed”.
- the invention also relates to a cosmetic method for cleansing the hair, comprising the operations consisting in:
- the method comprises an operation (v) consisting in applying to the hair, during operation (iii), a metered amount of cleansing composition preferably comprising at least one surfactant, which is in particular anionic.
- the method is carried out dynamically with a speed of movement of said lock with respect to the probe of between 5 mm/s and 5 cm/s.
- the device does not have an electrostatic charger, so as not to inhibit the action of the cleansing composition and to avoid charging the hair and making it lank.
- the counter-form does not have a cross section that is circular or semi circular perpendicular to the longitudinal axis X, in order to optimize the quality of the cleansing.
- a "cross section of a component of axis X" is a section perpendicular to the axis X of the component.
- the expression "in the immediate vicinity of the surface of the hair to be cleansed” should be understood as meaning close enough for the effect of the acoustic waves to have a beneficial effect on the cleansing action.
- the distal outer surface is placed less than 15 mm from the surface of the lock to be cleansed, better still less than 10 mm and even better still less than 5 mm, most preferentially less than 2.5 mm.
- the probe may be in contact with the lock to be cleansed.
- counter-form denotes a component of complementary shape to that of the probe, capable of blocking the hair between it and the probe.
- the counter-form and the probe are advantageously able to move with respect to each other in order to be able, in the position in which the probe and the counter-form are spaced apart, to insert the hair to be treated and then, in the position in which the probe and the counter-form are moved together or position of use of the device, apply pressure to the hair so as to ensure in particular better contact of the latter with the probe delivering the ultrasound.
- Ultrasound consists of radio waves with frequencies ranging from 16 KHz to 10 MHz.
- a "high frequency generator” converts the normal mains frequency of 50 to 60 Hz into high frequency oscillations ranging preferably from 16 to 60 kHz.
- the " ultrasound transducers” or transducers then convert these electrical oscillations into acoustic vibrations of the same frequency.
- the transducer is nothing more than a resonance system, which is driven by energy provision appropriate to the natural oscillations. It converts electrical energy into acoustic energy in the ultrasonic range, from a few mW to a few kW.
- the " sonotrode” is a metal component or tool that is coupled to the transducer, and restores this vibrational energy to a target element, for example the hair.
- the sonotrode According to a standard ultrasound use frequency range, the sonotrode resonates in frequency by "contracting" and “expanding” x times per second in an amplitude of a few micrometres.
- This half-wavelength acoustic wave resonance follows the characteristics of constant elasticity of the material, of its density p, of the speed of sound propagation through this material, and the frequency. They are made of titanium, aluminium, or steel, with or without heat treatment. Small diameter sonotrodes are sometimes called probes.
- the shape of the sonotrode depends on the amount of vibrational energy and on a physical constraint for a precise application.
- the "acoustic waves" are generated by one or more ultrasonic transducers. According to the invention, the acoustic waves are ultrasonic waves. [0040] The acoustic waves may be generated by a single transducer or, as a variant, by at least two transducers. Each transducer may include a sonotrode, typically made of metal, which can define a surface via which the acoustic waves are emitted. The transducer may include at least one piezoelectric material.
- the acoustic waves may be generated permanently as soon as the device is switched on or, as a variant, may be generated only when certain operating conditions are met, for instance the presence of the device in proximity to the hair.
- the acoustic waves may be generated by a sinusoidal signal or by a signal of more complex shape, for example with frequency modulation or with amplitude modulation.
- the acoustic waves are preferably emitted at a single frequency, which may enable them to be focused more precisely on a given area, but, as a variant, may be emitted at several different frequencies.
- the acoustic waves may be emitted continuously or in the form of pulses.
- the device may also include a system for detecting the presence of the device on contact with the hair to be treated, and condition the functioning of the transducer(s) to this detection.
- a "probe” allows the emission and reception of a signal, for example of ultrasound.
- Suction unit
- the device according to the invention may have, in order to recover the spent cleansing composition and the residues that result from washing (natural or chemical soiling, damaged keratin residues present on the surface of the hair), a suction system.
- the suction system may for example have a fan and a filter and/or a pump and a filter and/or a liquid recovery system, collecting the particles, and/or an electrostatic system that, by creating a potential field, attracts the particles to a surface.
- the device according to the invention may have a reservoir of spent surfactant composition, which composition is drawn in by the suction system.
- the power of the suction unit is set between 80 and 120 air watts.
- P is the power in air watts
- F the air flow rate in CFM
- S the water lift
- the air watts therefore indicate the overall performance of the motor of the suction unit, and thus the effectiveness of the suction unit.
- the cleansing composition is sent into contact with the hair so as to be at least partially recovered in order to be recycled and/or filtered.
- the recovered composition may be filtered to be freed of the solid debris or of its particulate phase, before being sent again to the lock of hair to be cleansed.
- the composition is recovered by suction or by absorption, for example using a porous support.
- a treatment and purification unit comprises a treatment unit inlet for receiving a spent composition comprising the composition which has been in contact with the hair, and a separator.
- the treatment and purification unit includes a disinfection unit which kills bacteria in the recycled composition, said disinfection unit comprising a UV lamp and/or an ozone or oxidant generator and/or a chemical product or bactericide dispenser and/or a heating device.
- the treatment and purification unit comprises a filter having a pore size of less than or equal to 50 microns.
- the filter may be a nonwoven fabric, with or without folds.
- the device according to the invention may be an electrically powered device including a nebulization component for misting, spraying or atomizing a cleansing composition.
- a nebulization component for misting, spraying or atomizing a cleansing composition.
- it comprises a unit for treating and recycling a spent cleansing composition.
- the nebulizer includes a compressor, a pump, and uses the ultrasonic waves to generate the mist from the cleansing composition and air.
- the application element according to the invention has one or more of the following features, taken alone or in combination:
- the counter-form delimits a receptacle of which the bottom defines the bearing surface. This shape promotes blocking and holding of the lock.
- the probe has an axial guiding channel passing through it.
- the probe has a flared and hollowed-out shape.
- the guiding of the waves is optimized by the guiding channel.
- the probe has a shape that flares in the direction of its distal end. This shape makes the passage of ultrasound, and possibly the dispensing of a cleansing composition, easier.
- the bearing surface of the counter-form and the distal outer surface of the probe are parallel.
- the contact angle between the longitudinal axis of the probe and the hair is close to 90°.
- the base of the probe is advantageously flat against the hair, and this affords better effectiveness of the treatment.
- the handpiece comprises a first comb or a first brush disposed next to the probe and oriented towards the counter-form, in order to disentangle and aerate the lock of hair before, during or after its treatment by ultrasound, thus promoting the passage of the ultrasound between the individual hairs.
- the counter-form comprises a second comb or a second brush disposed on the outside of the bearing surface and oriented towards the probe.
- the counter-form is then preferably equipped with a groove formed in its inner contour and disposed, in the position of use of the device, between the first comb or the first brush and the second comb or the second brush.
- This groove may provide a space promoting the evacuation of the spent composition during combing or brushing.
- the ultrasonic frequency used by the transducer ranges from 16 kHz to 10 MHz, and preferably from 16 kHz to 60 kHz.
- It comprises a cleansing composition supply duct connected to an outlet of a reservoir containing the cleansing composition.
- It preferably comprises a spent composition evacuation duct connected to the counter-form.
- It preferably comprises a unit for treating and recycling a spent cleansing composition.
- the device then comprises a system for recovering the spent cleansing composition, in particular a soiled surfactant solution. Even more preferentially, this recovery device comprises a suction device.
- Figure 1 is an inclined perspective view of a device according to the invention
- Figure 2 is an exploded view of the device in Figure 1,
- Figure 3 illustrates a device according to Figures 1 and 2, connected to a reservoir containing a cleansing composition
- Figure 4 illustrates the positioning of a lock of hair in a device according to the invention.
- the treatment device comprises an ultrasonic transducer 13 for emitting acoustic waves at the input of the probe.
- the transducer 13 is powered by a current generator 15, which may or may not form part of the handpiece 18, for example being present in a base station to which the handpiece 18 is connected via a cable.
- the device 1 has a counter-form 3 for receiving a lock of hair subjected to the acoustic waves emitted by the hollowed-out and flared probe 2.
- the probe 2 has a longitudinal axis X extending between its proximal outer surface 21 and its distal outer surface 22.
- the probe 2 and the counter-form 3 are able to move with respect to one another between a spaced-apart configuration (not shown) for the introduction therebetween of a lock of hair, and a moved-together configuration for treatment, illustrated in Figure 1.
- the probe 2 and the counter-form 3 may be carried by an upper arm and a lower arm, respectively, which are for example independent of one another or connected together at one end by a joint, the handpiece 18 thus forming tongs.
- the invention is not limited to a particular way of connecting the probe 2 and the counter-form 3. However, the presence of a joint may be preferred for the ergonomics it provides.
- the probe 2 and the counter-form 3 define between them an area for treatment of the head of hair, which is intended to receive a lock of hair to be treated, which is moved during the treatment, for example in the direction going from the root to the end of the hairs so as to ensure that the lock is completely cleansed.
- the probe 2 comprises a partially hollow elongate body comprising a flared and flattened head intended to come into contact with or in proximity to a lock of hair that is spread out in a sheet on the bearing surface 31 formed by the bottom of the receptacle 30, such that an area of the lock to be treated is situated facing the distal outer surface 22 of the probe 2.
- the probe 2 forms a removable component associated with the counter-form 3, of cooperating shape, by providing, between the bearing surface 31 and the distal outer surface 22, a space constituting a recess 60 for the lock.
- the probe 2 is moved by the user along the longitudinal axis X of the handpiece 18, so as to be moved away from or closer to the counter-form 3, so as to place the distal outer surface 22 and the bearing surface 31 facing one another and simultaneously allowing the pinching of the lock.
- a groove 39 can be arranged on the edges of the upper surface 36 of the counter form 3, for example in order to promote the evacuation of the spent cleansing composition.
- two first combs 32, 33 are disposed facing each other on either side of the probe and two second combs 34, 35 are arranged facing each other on either side of the longitudinal edges of the counter-form.
- the two first combs 32, 33 are symmetrical to each other with respect to a median plane of the probe 2 and the two second combs 34, 35 are symmetrical with one another with respect to a median plane of the counter-form 3.
- Figure 3 shows a device in accordance with Figures 1 and 2 that is supplied with cleansing composition via a supply duct 45 connected to a mixer 41 that may be connected to a water reservoir 42 and to a reservoir of a concentrated cleansing solution 43, which advantageously comprises at least one surfactant, which is preferably anionic.
- the hair composition passes through the probe via the axial guiding channel before being dispensed onto the hair, for example by a sprayer or nebulizer, after having passed through the outlet orifice of the guiding channel.
- the counter-form 3 has a spent hair composition evacuation duct 44, which passes for example through a lateral wall 37 of the recess 60 receiving the lock of hair and opens into a cup 48 that collects the spent composition.
- the supply and evacuation ducts can be equipped with a motor system 40 that makes drainage easier.
- Figure 4 schematically shows a lock of hair M ready to be inserted between the probe 2 and the combs 34, 35 of the counter-form 3 when the probe 2 is moved closer to the counter-form 3.
- the probe 2 and the counter form 3 are moved away from each other, so that a lock of hair can be placed between them.
- the probe 2 and the counter-form 3 are then moved closer to one another, so as to pinch the lock between the distal outer surface 22 of the probe 2 and the bearing surface 31 of the counter-form 3.
- the handpiece 18 has a base station 19 that preferably has a cylindrical shape. It houses a source of electrical energy, for example one or more accumulators or cells, and a printed circuit board carrying the electronic components of the device. These components ensure, for example, the generation of the pressure necessary for the possible spraying of the cleansing composition, the control of the various electrical elements and can perform ancillary functions such as for example the calculation of the quantity of product that remains to be sprayed, in order to notify the user of the need to replace a cartridge containing the cleansing composition.
- a source of electrical energy for example one or more accumulators or cells
- a printed circuit board carrying the electronic components of the device.
- the user switches on the electrical power supply so as to expose the lock of hair to ultrasonic vibrations for a selected duration, in particular at least 1 second.
- the spraying of the cleansing composition may start at the same time that the transducer 13 is switched on and also stop at the same time, or the start of the spraying and the switching on of the transducer may be offset in time.
- the cleansing composition preferably comprises one or more surfactants.
- the preferred surfactants are nonionic, anionic, or amphoteric surfactants. Even more preferentially, the cleansing composition contains at least one anionic surfactant.
- the anionic surfactant may in particular be an alkyl sulfate salt or an alkyl ether sulfate salt.
- the concentration of surfactants in the cleansing composition varies from 0.05% to 20% by weight, better still from 0.1% to 10% by weight, even better still from 0.2% to 5% by weight, with respect to the total weight of the composition.
- the cleansing composition may also comprise one or more hair conditioning agents chosen in particular from non-silicone cationic or amphoteric polymers, nonionic or cationic silicone oils or gums, mineral oils, oils of plant origin, waxes or butters of plant origin.
- hair conditioning agents chosen in particular from non-silicone cationic or amphoteric polymers, nonionic or cationic silicone oils or gums, mineral oils, oils of plant origin, waxes or butters of plant origin.
- It can also comprise other compounds chosen from thickening agents, pearlescent or mattifying agents, basifying or acidifying agents, anti-UV agents, preserving agents, antibacterial agents, agents for preventing hair loss, grease-control agents, perfuming agents.
- the invention is not limited to the examples specifically described. It encompasses in particular other structures of the handpiece 18 and other modes of relative arrangement of the transducer 13 and of the probe 2.
Landscapes
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Brushes (AREA)
- Cleaning And Drying Hair (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237031853A KR20230146626A (en) | 2021-02-18 | 2022-01-21 | Device with counter-form for ultrasonic cleaning of hair |
CN202280015405.5A CN116940262A (en) | 2021-02-18 | 2022-01-21 | Device for cleaning hair by ultrasound with corresponding shaping element |
EP22701257.2A EP4294233A1 (en) | 2021-02-18 | 2022-01-21 | Device with counter-form for cleansing the hair by ultrasound |
US18/546,380 US20240225231A9 (en) | 2021-02-18 | 2022-01-21 | Device with counter-form for cleansing the hair by ultrasound |
JP2023549090A JP2024507357A (en) | 2021-02-18 | 2022-01-21 | Device with opposing features for cleansing hair by ultrasound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2101553 | 2021-02-18 | ||
FR2101553A FR3119739A1 (en) | 2021-02-18 | 2021-02-18 | Device with counter-form for ultrasonic hair cleaning |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022175018A1 true WO2022175018A1 (en) | 2022-08-25 |
Family
ID=75690444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/051302 WO2022175018A1 (en) | 2021-02-18 | 2022-01-21 | Device with counter-form for cleansing the hair by ultrasound |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240225231A9 (en) |
EP (1) | EP4294233A1 (en) |
JP (1) | JP2024507357A (en) |
KR (1) | KR20230146626A (en) |
CN (1) | CN116940262A (en) |
FR (1) | FR3119739A1 (en) |
WO (1) | WO2022175018A1 (en) |
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2021
- 2021-02-18 FR FR2101553A patent/FR3119739A1/en active Pending
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2022
- 2022-01-21 US US18/546,380 patent/US20240225231A9/en active Pending
- 2022-01-21 KR KR1020237031853A patent/KR20230146626A/en unknown
- 2022-01-21 WO PCT/EP2022/051302 patent/WO2022175018A1/en active Application Filing
- 2022-01-21 JP JP2023549090A patent/JP2024507357A/en active Pending
- 2022-01-21 EP EP22701257.2A patent/EP4294233A1/en active Pending
- 2022-01-21 CN CN202280015405.5A patent/CN116940262A/en active Pending
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CN2191621Y (en) | 1994-01-27 | 1995-03-15 | 李荣生 | Ultrasonic shower bath device |
JPH09308518A (en) | 1996-05-24 | 1997-12-02 | Matsushita Electric Works Ltd | Hair treatment and hair treater |
JP2002282788A (en) * | 2001-03-27 | 2002-10-02 | Matsushita Electric Works Ltd | Ultrasonic wave generator |
CN2720876Y (en) | 2004-04-27 | 2005-08-31 | 唐海斌 | Ultrasonic wave hair washing device |
EP1728450A2 (en) * | 2005-06-01 | 2006-12-06 | Matsushita Electric Works, Ltd. | Ultrasonic hair treatment device |
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CN204448700U (en) | 2015-02-13 | 2015-07-08 | 青岛利泰新能源科技有限公司 | A kind of cosmetology model hair service sink |
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Also Published As
Publication number | Publication date |
---|---|
JP2024507357A (en) | 2024-02-19 |
US20240130504A1 (en) | 2024-04-25 |
US20240225231A9 (en) | 2024-07-11 |
FR3119739A1 (en) | 2022-08-19 |
CN116940262A (en) | 2023-10-24 |
EP4294233A1 (en) | 2023-12-27 |
KR20230146626A (en) | 2023-10-19 |
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