WO2024104657A1 - Produit cosmétique pour application par pulvérisation - Google Patents

Produit cosmétique pour application par pulvérisation Download PDF

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Publication number
WO2024104657A1
WO2024104657A1 PCT/EP2023/078018 EP2023078018W WO2024104657A1 WO 2024104657 A1 WO2024104657 A1 WO 2024104657A1 EP 2023078018 W EP2023078018 W EP 2023078018W WO 2024104657 A1 WO2024104657 A1 WO 2024104657A1
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WO
WIPO (PCT)
Prior art keywords
cosmetic preparation
cosmetic
storage container
solvent
liquid
Prior art date
Application number
PCT/EP2023/078018
Other languages
German (de)
English (en)
Inventor
Tim Bethge
Rolf Bayersdoerfer
Diane Metten
Silke Hansen
Original Assignee
Henkel Ag & Co. Kgaa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel Ag & Co. Kgaa filed Critical Henkel Ag & Co. Kgaa
Publication of WO2024104657A1 publication Critical patent/WO2024104657A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0877—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being of pressure-accumulation type or being connected to a pressure accumulation chamber
    • B05B9/0883—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being of pressure-accumulation type or being connected to a pressure accumulation chamber having a discharge device fixed to the container
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/046—Aerosols; Foams
    • 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
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/87—Application Devices; Containers; Packaging

Definitions

  • cosmetic product for spray application The present invention relates to a cosmetic product, comprising a device for spray application and a cosmetic preparation to be sprayed.
  • the spray application of cosmetic compositions is established state of the art technical knowledge.
  • Corresponding products are widely available commercially in the field of cosmetics as well as in many other areas of application. The majority of such products are based on a non-reusable pressure vessel in which one or more propellants and the cosmetic preparation to be sprayed are located. By operating the valve, the propellant expands from the pressure vessel and sprays the cosmetic preparation via suitable nozzles.
  • Alternative solutions consist of pump spray devices, which can be refilled if necessary, thereby reducing the packaging effort.
  • cosmetic compositions are sprayed by means of a device for flash evaporation, which comprises a container which defines a closed interior in which the cosmetic preparation can be accommodated, a valve or a similarly acting closing element in order to close and open the interior of the container which is at least partially filled with the cosmetic preparation, a heating device in order to heat the cosmetic preparation located in the closed interior of the container by increasing the pressure, as well as to release the heated cosmetic preparation from the interior of the container into the environment by reducing the pressure, and a nozzle which enables the cosmetic preparation escaping from the container to be atomized.
  • the present invention was based on the object of further developing the field of cosmetic products for spray application.
  • the present invention relates, in a first embodiment, to a cosmetic product, comprising a) a cosmetic preparation, b) a device for the finely distributed application of the cosmetic preparation a), comprising b1) a storage container for the cosmetic preparation a), b2) a pump or a similarly acting conveying element in order to convey the cosmetic preparation a) out of the storage container b1); b3) a pressure chamber in which the cosmetic preparation conveyed out of the storage container b1) a) can be subjected to an increase in pressure, comprising b3a) an inlet valve or a similarly acting closing element in order to be able to seal the cosmetic preparation conveyed by means of the conveying element b2) from the storage container b1) into the pressure chamber b3) a)
  • a further subject of the present invention is a method for spraying a cosmetic preparation, in which a) a cosmetic preparation is sprayed by means of b) a device for the finely distributed application of the cosmetic preparation a), comprising b1) a storage container for the cosmetic preparation a), b2) a pump or a similarly acting conveying element in order to convey the cosmetic preparation a) out of the storage container b1); b3) a pressure chamber in which the cosmetic preparation a) conveyed out of the storage container b1) can be subjected to a pressure increase, comprising b3a) an inlet valve or a similarly acting closing element in order to be able to seal the cosmetic preparation a) conveyed by means of the conveying element b2 from the storage container b1) into the pressure chamber b3) in an environmentally sealed manner; b3b) an outlet valve or a similarly acting closing element in order to be able to apply the cosmetic preparation a) under increased pressure from the pressure chamber b3) in finely distributed form and spray it, where
  • the cosmetic product and the method for spraying a preparation are described in more detail below.
  • the cosmetic preparation a) and the device b) are disclosed in more detail, and the method according to the invention is always disclosed in more detail, even if, for linguistic reasons, only the "cosmetic product" is used.
  • the product according to the invention comprises always means “The product according to the invention comprises and is used in the method according to the invention”.
  • the product according to the invention comprises a cosmetic preparation which has been optimized with regard to its sprayability by containing at least 5% by weight of a first solvent LM1 which is liquid at 20°C and at least 5% by weight of at least one second solvent LM2 which is liquid at 20°C, the difference between the boiling points of the solvents LM1 and LM2 at 1013.25 mbar being in the range from 5 to 50°C.
  • the product according to the invention therefore contains a mixture of at least two solvents, each of which makes up at least 5% by weight of the cosmetic preparation.
  • the boiling point of the first solvent LM1, which is liquid at 20°C, at 1013.25 mbar is at a certain temperature x, whereby the boiling point of the second solvent LM2, which is liquid at 20°C, at 1013.25 mbar is then in the range from (x+5)°C to (x+50)°C or in the range from (x-50)°C to (x-5)°C.
  • the cosmetic preparations can also contain further solvents LM3, LM4, etc., but in this case it is not necessary that the above-mentioned minimum amount of 5% by weight or the boiling temperature differences are observed.
  • the content of the cosmetic preparation a) of solvents other than LM1 and LM2 that are liquid at 20°C is a maximum of 10% by weight, preferably a maximum of 7.5% by weight and in particular a maximum of 5% by weight.
  • the sprayability of the cosmetic preparations a) from the device b) is made easier if the total amount of solvent LM1 and LM2 not only corresponds to the minimum amount of 10% by weight, but LM1 and/or LM2 are used in higher amounts.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) contains at least 10% by weight, preferably at least 25% by weight, more preferably at least 40% by weight and in particular at least 50% by weight of the first solvent LM1 that is liquid at 20°C.
  • Further preferred cosmetic products according to the invention are characterized in that the cosmetic preparation a) contains at least 10% by weight, preferably at least 25% by weight, more preferably at least 30% by weight and in particular at least 35% by weight of the second solvent LM2 which is liquid at 20°C. It is particularly preferred to form as large a proportion of the cosmetic preparation a) as possible from solvents LM1 and LM2.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) - based on its weight - contains a total amount of solvent LM1 and solvent LM2 (LM1 + LM2) of at least 40% by weight, preferably of at least 50% by weight, more preferably of at least 60% by weight, even more preferably of at least 70% by weight and in particular of at least 80% by weight. It has also proven to be preferable not to use the solvents in as equal amounts as possible, but to use one of the solvents in a clear excess to the other. Corresponding cosmetic products in which the weight ratio of the solvents to one another (the quotient LM1/LM2) is >2, preferably >3, more preferably >4 and in particular >5 are preferred.
  • the weight ratio of the solvents to one another is >2, preferably >3, more preferably >4 and in particular >5 are preferred.
  • the difference in the boiling points of the solvents LM1 and LM2 at 1013.25 mbar in the range from 5 to 50°C brings significant advantages when spraying the cosmetic preparation a) from the device b).
  • the effects are particularly advantageous within a narrower temperature range.
  • cosmetic products according to the invention are preferred in which the difference in the boiling points of the solvents LM1 and LM2 at 1013.25 mbar is in the range from 10 to 40°C, preferably in the range from 12.5 to 37.5°C, more preferably in the range from 15 to 35°C and in particular in the range from 17.5 to 30°C.
  • solvents with certain boiling points are particularly suitable for cosmetic applications.
  • the boiling point of the first solvent LM1 at 1013.25 mbar is 70 to 90°C, preferably 72.5 to 87.5°C, more preferably 75 to 85°C and in particular 77.5 to 82.5°C. From the above-mentioned preferred boiling point differences, it also follows that it is particularly preferred if the boiling point of the second solvent LM2 at 1013.25 mbar is 90 to 110°C, preferably 92.5 to 107.5°C, more preferably 95 to 105°C and in particular 97.5 to 102.5°C.
  • Thermal conductivity (sometimes also referred to as thermal conductivity number or thermal conductivity coefficient) is a material property that determines the flow of heat through a material due to heat conduction. Thermal conductivity indicates how well a material conducts heat. The thermal conductivity of most materials increases slightly with increasing temperature. At a phase transition or state of aggregation transition (e.g. solid ⁇ liquid ⁇ gaseous) the conductivity usually changes greatly and abruptly.
  • cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their thermal conductivity is at least 0.02 Wm -1 K -1 and does not exceed 2.0 Wm -1 K -1 . Within these limits, narrower value ranges are particularly preferred, so that preferred cosmetic products or methods are characterized in that the cosmetic preparation a) has a thermal conductivity of 0.05 to 1.5 Wm -1 K -1 at 25°C, preferably of 0.1 to 1.0 Wm -1 K -1 and in particular of 0.2 to 0.6 Wm -1 K -1 .
  • the cosmetic compositions can be heated up and sprayed well and tend neither to clog valves nor to form an uneven spray mist.
  • Lower thermal conductivities below 0.02 Wm -1 K -1 lead to more uneven spray patterns and high spray losses; with higher thermal conductivities above 2.0 Wm -1 K -1, spray jet widths and homogeneities are unacceptable for a cosmetic application.
  • the thermal conductivity of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients. The relationship between the thermal conductivity and the content of a substance is not linear even in binary mixtures (e.g.
  • the thermal conductivity can be adjusted to the range according to the invention by adding or omitting, increasing or decreasing the amount of certain ingredients.
  • the product according to the invention can be further optimized in terms of its application properties in that the cosmetic preparation a) has a specific heat capacity at 20°C of 1.6 to 5.2 Jg -1 K -1 .
  • the specific heat capacity can be calculated as the quotient of the heat capacity and the mass m of the body. Since the heat capacity is an extensive state variable, i.e. in bodies that are composed of parts, it can be calculated as the sum of the heat capacities of its parts , the specific heat capacity of the cosmetic preparation a) can also be calculated if the heat capacities of the individual ingredients are known.
  • cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their specific heat capacity at 20°C is at least 1.6 Jg -1 K -1 and does not exceed the value of 5.2 Jg -1 K -1 . Within these limits, narrower value ranges are particularly preferred, so that preferred cosmetic products or methods are characterized in that the cosmetic preparation a) at 20°C has a specific heat capacity of 2.1 to 5.0 Jg -1 K -1 , preferably from 2.6 to 4.6 Jg -1 K -1 and in particular from 3.1 to 4.3 Jg -1 K -1 . As already explained, the specific heat capacity is a temperature-dependent value.
  • the specific heat capacity of the cosmetic composition a) lies within a certain range of values at higher temperatures.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) has a specific heat capacity of 2.4 to 5.4 Jg- 1 K -1 , preferably 3.0 to 5.0 Jg -1 K -1 and in particular 3.5 to 4.2 Jg -1 K -1 at 50°C.
  • the cosmetic compositions can be heated up and sprayed well and tend neither to clog valves nor to form an uneven spray mist.
  • the specific heat capacity of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients; in the case of multi-component mixtures, the specific heat capacity can be adjusted to the inventive range by adding or omitting, increasing or reducing the amount of certain ingredients. It has also been shown that cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the inventive product if their thermal expansion coefficient ⁇ (20°C) is 0.0001 to 0.005 K -1 .
  • the thermal expansion coefficient ⁇ is a characteristic value that describes the behavior of a substance or mixture of substances with regard to changes in its dimensions when the temperature changes. The effect responsible for this is thermal expansion. Thermal expansion depends on the material used, so it is a material-specific constant. Since thermal expansion in many materials does not occur evenly across all temperature ranges, the thermal expansion coefficient itself is also temperature-dependent and is therefore specified for a specific reference temperature or a specific temperature range. With regard to the product according to the invention, the thermal expansion coefficient ⁇ describes the change in the volume of the cosmetic preparation a) when the temperature increases.
  • cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their thermal expansion coefficient ⁇ (20°C) is at least 0.0001 K -1 and does not exceed the value of 0.005 K -1 .
  • the cosmetic preparation a) has a thermal expansion coefficient ⁇ (20°C) of 0.00012 to 0.002 K -1 , preferably from 0.00015 to 0.001 K -1 , particularly preferably from 0.00017 to 0.00105 K -1 and in particular from 0.0002 to 0.0011 K -1 .
  • the thermal expansion coefficient ⁇ is, as already stated, a temperature-dependent value.
  • the thermal expansion coefficient ⁇ of the cosmetic composition a) lies within a certain range of values at higher temperatures.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) has a thermal expansion coefficient ⁇ (50°C) 0.0001 to 0.0024 K -1 , preferably from 0.0002 to 0.002 K- 1 , particularly preferably from 0.0004 to 0.0016 K -1 and in particular from 0.0006 to 0.0012 K -1 .
  • the cosmetic compositions can be heated up and sprayed well and tend neither to clog valves nor to form an uneven spray mist.
  • the thermal expansion coefficient ⁇ (20°C) or the thermal expansion coefficient ⁇ (50°C) of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients; in the case of multi-component mixtures, the thermal expansion coefficient ⁇ can be adjusted to the inventive range by adding or omitting, increasing or reducing the amount of certain ingredients.
  • the product according to the invention can be further optimized in terms of its application properties by the cosmetic preparation a) having a vapor pressure (according to the Grain-Watson model) of 1200 to 8000 Pa at 20°C.
  • the vapor pressure describes the equilibrium of a substance between its solid or liquid phase and its gas phase.
  • the vapor pressure is a strongly temperature-dependent quantity.
  • the Temperature dependence is described by the Clausius-Clapeyron equation, in which the vapor pressure is related to the temperature.
  • d(ln Pv) / dT ⁇ H / (RT 2 )
  • ⁇ H corresponds to the enthalpy of vaporization during transitions from the liquid to the gaseous state.
  • the deviation of the gaseous substance in question from the behavior of an ideal gas can be calculated using the compressibility difference of the two phases. This parameter has a value between 1.00 and 0.91 [61].
  • f 0.4133 – 0.2575*T ⁇
  • the same function for f is used as for liquids.
  • the Grain-Watson model can also be used for solids, it does not require a fugacity correction due to the melting point. Nevertheless, it must be determined whether a substance is solid or liquid at the system temperature. Using the equations mentioned above (and now also using commercially available computer programs), the vapor pressure of a cosmetic preparation a) can be calculated depending on its composition.
  • cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their vapor pressure (according to the Grain-Watson model) is at least 1200 Pa Pa and does not exceed a value of 8000 Pa. Within these limits, narrower ranges of values are particularly preferred, so that preferred cosmetic products or methods are characterized by that the cosmetic preparation a) at 20°C has a vapor pressure (according to the Grain-Watson model) of 1600 to 7000 Pa, preferably 1800 to 6000 Pa and in particular 2200 to 5600 Pa.
  • the cosmetic compositions can be easily heated and sprayed and tend neither to clog valves nor to form an uneven spray mist.
  • Lower vapor pressures below 1200 Pa lead to more uneven spray patterns and high spray losses; at higher vapor pressures above 8000 Pa, spray jet widths and homogeneities are unacceptable for a cosmetic application.
  • the vapor pressure of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients; in the case of multi-component mixtures, the vapor pressure can be adjusted to the range according to the invention by adding or omitting, increasing or decreasing the amount of certain ingredients.
  • the product according to the invention can be further optimized in terms of its application properties by the thermal expansion coefficient ⁇ (20°C) being 0.0001 to 0.005 K -1 .
  • the thermal expansion coefficient ⁇ is a characteristic value that describes the behavior of a substance or mixture of substances with regard to changes in its dimensions when the temperature changes. The effect responsible for this is thermal expansion. Thermal expansion depends on the substance used, so it is a substance-specific material constant. Since thermal expansion in many substances does not occur evenly across all temperature ranges, the thermal expansion coefficient itself is also temperature-dependent and is therefore specified for a specific reference temperature or a specific temperature range. With regard to the product according to the invention, the thermal expansion coefficient ⁇ describes the change in the volume of the cosmetic preparation a) when the temperature increases.
  • cosmetic compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their thermal expansion coefficient ⁇ (20°C) is at least 0.0001 K -1 and does not exceed the value of 0.005 K -1 .
  • the cosmetic preparation a) has a thermal expansion coefficient ⁇ (20°C) of 0.00012 to 0.002 K -1 , preferably of 0.00015 to 0.001 K -1 , particularly preferably of 0.00017 to 0.00105 K -1 and in particular of 0.0002 to 0.0011 K -1 .
  • the thermal expansion coefficient ⁇ is a temperature-dependent value.
  • the thermal expansion coefficient ⁇ of the cosmetic composition a) lies within a certain range of values at higher temperatures.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) has a thermal expansion coefficient ⁇ (50°C) 0.0001 to 0.0024 K -1 , preferably from 0.0002 to 0.002 K- 1 , particularly preferably from 0.0004 to 0.0016 K -1 and in particular from 0.0006 to 0.0012 K -1 .
  • the cosmetic compositions can be heated up and sprayed well and tend neither to clog valves nor to form an uneven spray mist.
  • thermal expansion coefficient ⁇ (20°C) or the thermal expansion coefficient ⁇ (50°C) of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients; in the case of multi-component mixtures, the thermal expansion coefficient ⁇ can be adjusted to the range according to the invention by adding or omitting, increasing or reducing the amount of certain ingredients.
  • the product according to the invention can be further optimized in terms of its application properties by adapting the viscosity of the cosmetic preparation a) to the apparatus environment.
  • Viscosity is a measure of the internal flow resistance ("the viscosity") of a cosmetic preparation a). Viscosity is a temperature-dependent variable which is measured at 20°C in the context of the present invention. Since the viscosity measurement of one and the same preparation at the same temperature also shows a certain dependence on the apparatus used, viscosity values in the context of the present invention are uniformly related to a measurement with a Brookfield viscometer DV 2 T (and as mentioned at 20°C), with the other apparatus parameters (speed, spindle) being adapted to the viscosity to be measured in each case. It has proven advantageous to choose low viscosities for certain applications, for example hairsprays or hair styling products.
  • compositions can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their viscosity (Brookfield DV 2 T, spindle 2, 10 rpm) at 20°C is at least 10 mPas and does not exceed 100 mPas. Within these limits, narrower value ranges are particularly preferred, so that preferred cosmetic Products or processes are characterized in that the cosmetic preparation a) has a viscosity (Brookfield DV 2 T, spindle 2, 10 rpm) of 20 to 60 mPas at 20°C.
  • the cosmetic compositions can be easily heated and sprayed and tend neither to clog valves nor to form an uneven spray mist.
  • There are other forms of application for example hair treatments, hair conditioners or hair treatments) for which higher viscosity values have proven advantageous.
  • hair treatments, hair conditioners or hair treatments for which higher viscosity values have proven advantageous.
  • they can be sprayed particularly evenly and finely distributed through the devices in the product according to the invention if their viscosity at 20°C (Brookfield DV 2 T, spindle 5, 20 rpm) is 500 to 25,000 mPas.
  • the cosmetic preparation a) has a viscosity (Brookfield DV 2 T, spindle 5, 20 rpm) of 1000 to 20000 mPas at 20°C, preferably of 1500 to 15000 mPas and in particular of 2000 to 10000 mPas.
  • the viscosity of a cosmetic composition can be adjusted by adjusting the type and amount of its ingredients; in the case of multi-component mixtures, the viscosity can be adjusted to the range according to the invention by adding or omitting, increasing or reducing the amount of certain ingredients.
  • the cosmetic preparation a) sprayed by means of the device b) in the product according to the invention can be optimized not only with regard to its physical properties and adapted to the device, but also and particularly with regard to its composition.
  • emulsions are particularly suitable as cosmetic preparations in the product according to the invention.
  • Oil-in-water emulsions (O/W emulsions) have proven particularly useful here, as the physical properties can be particularly well adapted to the device b).
  • Such emulsions preferably contain at least one emulsifier.
  • the cosmetic agent a) contains a non-ionic emulsifier.
  • non-ionic emulsifiers are understood to mean emulsifiers which do not have any charged groups.
  • Charged groups are understood to mean both permanently cationic and anionic groups and temporarily cationic and anionic groups. Permanently cationic and anionic groups have a cationic or anionic charge regardless of the pH value. In contrast, temporarily cationic and anionic groups only have a cationic or anionic charge at certain pH values. anionic charge.
  • Preferred cosmetic agents a) are therefore characterized in that they contain at least one emulsifier selected from the group of (i) addition products of 4 to 30 mol of ethylene oxide and/or 1 to 5 mol of propylene oxide with linear C 8 -C 22 alcohols, with C 12 -C 22 carboxylic acids and with C8-C15 alkylphenols, (ii) C12-C22 carboxylic acid mono- and diesters of addition products of 1 to 30 mol of ethylene oxide with C3-C6 polyols, (iii) ethylene oxide and polyglycerol addition products with methyl glucoside carboxylic acid esters, carboxylic acid alkanolamides and carboxylic acid glucamides, C 8 -C 22 alkyl mono- and oligoglycosides (iv) addition products of 5 to 60 mol of ethylene oxide with castor oil and hydrogenated Castor oil, (v) partial esters of polyols having 3 to 6 carbon atoms with saturated C8
  • the at least one emulsifier is advantageously used in the cosmetic products a) in certain quantity ranges.
  • Preferred cosmetic products a) are therefore characterized in that they contain - based on their total weight - 0.1 to 40 wt.%, preferably 0.3 to 35 wt.%, preferably 0.5 to 30 wt.%, in particular 1.0 to 20 wt.%, of at least one emulsifier.
  • Cosmetic agents a) in the form of an O/W emulsion contain at least one emulsified compound selected from the group of oils, waxes, esters or mixtures thereof.
  • the cosmetic agents a) contain at least one cosmetic oil, preferably at least one cosmetic non-silicone oil and/or a vegetable oil.
  • volatile non-silicone oils are understood to mean oils which do not contain any silicon atoms and which, at 20 °C and an ambient pressure of 1,013 hPa, have a vapor pressure of 2.66 Pa to 40,000 Pa (0.02 to 300 mm Hg), preferably from 10 to 12,000 Pa (0.1 to 90 mm Hg), more preferably from 13 to 3,000 Pa (0.1 to 23 mm Hg), in particular from 15 to 500 Pa (0.1 to 4 mm Hg).
  • the cosmetic agent a) contains at least one oil, the oil being selected from the group of (i) volatile non-silicone oils, in particular liquid paraffin oils and isoparaffin oils, such as isodecane, isoundecane, isododecane, isotridecane, isotetradecane, isopentadecane, isohexadecane and isoeicosane; (ii) vegetable oils, in particular sunflower oil, olive oil, soybean oil, rapeseed oil, almond oil, jojoba oil, orange oil, wheat germ oil, peach kernel oil and the liquid portions of coconut oil; and (iii) mixtures thereof.
  • volatile non-silicone oils in particular liquid paraffin oils and isoparaffin oils, such as isodecane, isoundecane, isododecane, isotridecane, isotetradecane, isopentadecane, isohexadecane and isoeicosane
  • the cosmetic agents a) contain at least one wax.
  • Preferred cosmetic agents a) are therefore characterized in that they contain at least one wax, wherein the wax is selected from the group of (i) coconut fatty acid glycerol mono-, di- and triesters; (ii) Butyrospermum Parkii (shea butter); (iii) esters of saturated, monohydric C8-18 alcohols with saturated C12-18 monocarboxylic acids; (iv) linear, primary C12-C24 alkanols; (v) esters of a saturated, monohydric C16-C60 alkanol and a saturated C8-C36 monocarboxylic acid, in particular cetyl behenate, Stearyl behenate and C20-C40 alkyl stearate; (vi) glycerol triesters
  • Other preferred esters of saturated, monohydric C12-18 alcohols with saturated C12-18 monocarboxylic acids are stearyl laurate, cetearyl stearate (e.g. Crodamol ⁇ CSS), cetyl palmitate (e.g.
  • Cutina ⁇ CP Cutina ⁇ CP
  • myristyl myristate e.g. Cetiol ⁇ MM
  • a C20-C40 alkyl stearate is preferably used as a wax component.
  • This ester is known under the name Kesterwachs ⁇ K82H or Kesterwachs ⁇ K80H and is sold by Koster Keunen Inc.
  • the cosmetic agent a) contains at least one ester.
  • the cosmetic agent contains at least one ester, where the ester is selected from the group of (i) triethyl citrates (ii) dicarboxylic acid esters of linear or branched C2-C10 alkanols, (iii) symmetrical, asymmetrical or cyclic esters of carbonic acid with alcohols, (iv) esters of dimers of unsaturated C12-22 carboxylic acids with monovalent, linear, branched and cyclic C2-18 alkanols or C2-6 alkanols, (v) benzoic acid esters of linear or branched C8-22 alkanols, such as benzoic acid C12-15 alkyl esters and benzoic acid isostearyl esters and benzoic acid octyldodecyl esters; and (vi) mixtures thereof.
  • the ester is selected from the group of (i) triethyl citrates (ii) dicarboxylic acid esters of linear or branche
  • the use of the aforementioned esters also leads to good care and conditioning of the skin and/or hair.
  • Particularly preferred embodiments of the present invention contain at least one of the aforementioned oil and/or wax and/or an aforementioned ester.
  • cosmetic products according to the invention are preferred in which the cosmetic preparation a) is an oil-in-water (O/W) emulsion which contains 1 to 25% by weight of cosmetic oil(s) based on its weight.
  • the cosmetic agents a) can in principle contain all other components known to the person skilled in the art for such cosmetic compositions.
  • auxiliaries and additives are, for example: - thickeners such as gelatin or vegetable gums, for example agar-agar, guar gum, alginates, xanthan gum, gum arabic, karaya gum, locust bean gum, Linseed gums, dextrans, cellulose derivatives, e.g.
  • Ceramides are understood to mean N-acylsphingosine (fatty acid amides of sphingosine) or synthetic analogues of such lipids (so-called pseudo-ceramides), - opacifiers such as latex, styrene/PVP and styrene/acrylamide copolymers, - pearlescent agents such as ethylene glycol mono- and distearate and PEG-3 distearate, - pigments, - viscosity regulators such as salts (NaCl), - anionic, cationic and amphoteric surfactants, - cationic, non-ionic and amphoteric polymers, - vitamins, in particular from groups A, B, C, E, F and H, - UV filters, in particular benzophenones, p-aminobenzoic acid esters, diphenylacrylic acid esters, cinnamic acid esters, salicylic acid esters, benzimidazoles and
  • the previously mentioned further ingredients can be contained - based on the total weight of the cosmetic agent - in a total amount of 0.001 to 50 wt. %, preferably 0.01 to 40 wt. %, preferably 0.1 to 30 wt. %, in particular 0.5 to 20 wt. %.
  • the cosmetic product according to the invention comprises a device for the finely distributed application of the cosmetic preparation a).
  • This device in turn comprises b1) a storage container for the cosmetic preparation a), b2) a pump or a similarly acting conveying element in order to convey the cosmetic preparation a) out of the storage container b1); b3) a pressure chamber in which the cosmetic preparation conveyed out of the storage container b1) a) can be subjected to an increase in pressure, comprising b3a) an inlet valve or a similarly acting closing element in order to be able to seal the cosmetic preparation a) conveyed by means of the conveying element b2) from the storage container b1) into the pressure chamber b3) in an environmentally sealed manner; b3b) an outlet valve or a similarly acting closing element in order to be able to apply the pressurized cosmetic preparation a) from the pressure chamber b3) in a finely distributed manner.
  • the storage container b1) serves as a storage container for the cosmetic composition a). It can be firmly connected to the device, but a detachable and exchangeable design is preferred, which makes it possible to connect different storage containers to one device and thus also to spray different cosmetic preparations.
  • the volume of the storage container b1) is ideally adapted to the intended use and depends on the amount of cosmetic preparation that is to be applied and on the desired number of applications that a storage container once filled should enable. Typical volumes for storage containers are in the range from 1 to 500 ml, preferably from 2 to 250 ml and in particular from 5 to 500 ml.
  • the device of the product according to the invention further comprises a pump b2) or a similarly acting conveying element in order to convey the cosmetic preparation a) out of the storage container b1).
  • the conveying element b2) can be located directly in the storage container b1) or connected to it via suitable lines, for example riser pipes.
  • suitable lines for example riser pipes.
  • a pump is used as the conveying element, both flow and displacement pumps can be used. In flow pumps such as axial, diagonal and radial pumps, the energy is transferred by fluid-mechanical processes, while in displacement pumps the medium is conveyed through self-contained volumes.
  • the device of the product according to the invention further comprises a pressure chamber b3) in which the cosmetic preparation a) conveyed out of the storage container b1) can be subjected to a pressure increase.
  • the pressure chamber b3) comprises an inlet valve b3a) or a similarly acting closing element in order to be able to seal the cosmetic preparation a) conveyed by the conveying element b2) from the storage container b1) into the pressure chamber b3) in an environmentally sealed manner and an outlet valve b3b) or a similarly acting closing element in order to be able to apply the cosmetic preparation a) under increased pressure from the pressure chamber b3) in a finely distributed manner.
  • the closing elements b3a) and b3b) are preferably controllable valves in which a closing part (for example a plate, a cone, a ball or a needle) is moved approximately parallel to the flow direction of the fluid. The flow is interrupted by pressing the closing part with the sealing surface against a suitable opening, the so-called sealing seat.
  • a closing part for example a plate, a cone, a ball or a needle
  • electromotive or electromagnetically operated valves with short closing and opening times are preferred.
  • a device for spraying a cosmetic preparation is provided which enables the temperature and/or pressure of the cosmetic to be increased when the inlet valve b3a) and the outlet valve b3b) are closed, which causes at least part of the cosmetic preparation a) to change its state in the chamber.
  • the cosmetic composition a) conveyed by the conveying element b2) into the pressure chamber b3) can be a liquid or a mixture of liquid and gas, such as a foam, with liquids being preferred.
  • the cosmetic preparation a) can also contain dispersed, particulate solids.
  • the pressure chamber b3) comprises an inlet valve b3a) and an outlet valve b3b), which are preferably provided at separate, different locations in the pressure chamber.
  • a liquid cosmetic composition a) in the chamber changes its state partially to a gas which is partially dispersed in the liquid, also forming a foam.
  • the inlet valve b3a) and the outlet valve b3b) each comprise an actuator and a seat.
  • the actuator can control the opening and closing of the valve.
  • the actuator can be a solenoid.
  • the valve seat can provide a sealing surface, thereby enabling the valve to be closed and the chamber to be pressurized.
  • the cosmetic composition a) is fed from the reservoir b1) to the pressure chamber b3), where it is pressurized.
  • the pressure increase can be applied to all
  • the pressure chamber b3) can be pressurized in a manner known to those skilled in the art, for example by applying pressure using a pressurized gas, by reducing the volume of the pressure chamber, by means of shock waves, or by heating, the latter being preferred due to the ease of implementation in terms of equipment.
  • the pressure chamber b3) is formed from a material that can withstand considerable temperature changes and pressure differences. It can have a generally cylindrical shape.
  • the pressure chamber b3) can be formed from a metal such as steel, copper or aluminum or a polymer. Alternatively, the pressure chamber b3) can be formed from a composite material wrapped around a metal lining in the form of a wrapped composite pressure vessel. The pressure chamber b3) can be lined with another metal, ceramic or polymer. The size and shape of the pressure chamber b3) can vary depending on the desired application.
  • the pressure chamber b3) can further comprise devices for directing and controlling the fluid flow of cosmetic composition a) from the inlet valve b3a) to the outlet valve b3b). Such devices are arranged within the chamber and direct the cosmetic composition so that it preferably follows a non-linear path.
  • the means for directing and controlling the fluid flow of cosmetic composition a) from the inlet valve b3a) to the outlet valve b3b) along a preferably non-linear path can initiate and assist foam formation within the chamber and help to ensure that foam is present within the chamber at the outlet valve b3b), resulting in improved sprayability and a more homogeneous spray pattern.
  • the inclusion of a means for directing and controlling the fluid flow of cosmetic composition a) from the inlet valve b3a) to the outlet valve b3b) along a preferably non-linear path within the chamber causes an obstruction within the chamber, thereby preventing the liquid from moving freely through the chamber when the pressure chamber b3) or the device b) is moved.
  • an obstacle slows down the fluid of cosmetic composition a) from the inlet valve b3a) to the outlet valve b3b) so that there is less momentum or impact on the foam and the foam is largely protected from destruction regardless of the movement of the pressure chamber b3).
  • the direction of the fluid of cosmetic composition a) from the inlet valve b3a) to the outlet valve b3b) along a preferably non-linear path thus ensures that no pool of liquid accumulates in front of the outlet valve b3b), thus enabling efficient and effective operation of the device b).
  • the properties of the spray ejected from the outlet valve b3b) remain largely unaffected, even if the device b) is moved or the orientation is changed. This improves the reproducibility of the spray properties achieved with a given set of conditions, which in turn also improves the reliability of the device b) for any given application.
  • the inlet b3a) and outlet valve b3b) are closed to prevent the cosmetic preparation a) from escaping.
  • the pressure increase (preferably heating) of the cosmetic composition a) in the pressure chamber b3) causes an increase in the pressure within the chamber and thus also a reduction in the boiling temperature of the cosmetic composition a).
  • the saturation or boiling point of the fluid from cosmetic composition a) is based on the boiling temperature of the liquid phase.
  • the cosmetic composition a) is hereby heated to a temperature well above the boiling point at atmospheric pressure, which causes the cosmetic composition a) to change state.
  • the temperature within the pressure chamber b3) can be monitored by one or more temperature sensors.
  • a means for heating the cosmetic preparation a) can be a heating element located in or near the chamber to heat the cosmetic agent a).
  • the heating means can be, for example, a heated jacket surrounding or partially surrounding the pressure chamber b3).
  • the heating means can be generated by chemical components. For example, two chemicals may be combined which, when mixed, undergo an exothermic reaction, with the heat generated being sufficient to heat the cosmetic preparation a) to a temperature exceeding the saturation temperature of the liquid.
  • the sudden release of pressure as the cosmetic preparation a) exits the outlet valve b3b) causes a vapor explosion due to the rapid expansion of liquid, foam and/or vapor.
  • the vapor explosion causes the material to be transported out of the pressure chamber b3) very quickly and over greater distances than would otherwise be possible.
  • a mixture of vapor and fine spray is ejected from the outlet valve b3b) which can spread at high speeds and over considerable distances.
  • the throw distance of a liquid and vapor explosion according to embodiments of the present invention can be about 200 to 300 times or more the corresponding length of the pressure chamber. This is due to the high fluid pressures maintained in the pressure chamber b3) as well as the dynamics of the fluid within the chamber.
  • An advantage of device b) is that it can continuously deliver steam jets in very rapid succession.
  • the control of inlet b3a) and outlet valve b3b) can be programmed so that that the outlet valve b3b) opens every few milliseconds.
  • the temperature at which the outlet valve b3b) is allowed to open may be referred to as the trip temperature.
  • the trip temperature may be set above the boiling point of the liquid or liquids in the chamber to ensure maximum explosion of the liquid from the chamber.
  • the trip temperature may be set in the range 10°C to 200°C above the boiling point of the liquid.
  • the trip temperature is set in the range 20°C to 90°C above the boiling point of the liquid.
  • the necessary trip temperature is relative to the ambient pressure of the environment into which the ejected spray is injected, i.e. the environment outside the chamber at the outlet port.
  • the temperature and pressure in the chamber must be increased and the trip temperature value will be at the upper end of the scale.
  • the liquid to vapor ratio can be varied if higher trip temperatures are chosen. This can eliminate the liquid phase completely if desired. In this way, the ratio of liquid to vapor can be controlled by varying one or more parameters associated with the chamber. It has been found that the droplet size is large unless the trigger temperature is at least 10°C higher than the boiling temperature of the liquid.
  • the pressure within the chamber can be monitored and the outlet valve b3b) can be opened when a predetermined pressure value is reached.
  • Selectively varying one or more parameters such as temperature, pressure or viscosity of the cosmetic composition a) can be used to selectively control the droplet size achieved in the resulting spray.
  • the size of the outlet port opening can vary depending on the desired spray characteristics.
  • the outlet port from the pressure chamber b3) can be connected to a nozzle to change the dispersion characteristics of the spray.
  • the nozzle can be used to produce a spray with a wider scattering field or a narrower, more concentrated spray.
  • a nozzle can also be used to further reduce the droplet size of the liquid in the spray so that a finer spray is produced.
  • the preferably non-linear path along which the cosmetic preparation a) is directed within the pressure chamber b3) may cause a change in the direction in which the cosmetic preparation b) moves by at least 90°.
  • the required degrees of change depend on the application or end use of the device b).
  • the non-linear path could cause a change in the direction in which the cosmetic preparation a) moves by at least 180°, 270° or 360°.
  • the aim of a non-linear path is to prevent liquid from moving rapidly in a wave motion within the pressure chamber b3).
  • the non-linear path to direct the fluid through a change of at least 90°.
  • a baffle or barrier within the chamber could change the direction of movement of the fluid by 90° to bypass the baffle.
  • the baffle can be arranged so that liquid is retained on one side of the barrier where only foam or gas will easily flow over the baffle. This depends on the relative height and arrangement of such a baffle.
  • the baffle would have to cause a change of direction of the fluid of at least 90° to achieve the desired effect.
  • a preferably non-linear path within the pressure chamber b3) may comprise at least one non-linear channel and may comprise several non-linear channels. In general, a single channel is preferable when the cosmetic preparation a) is viscous.
  • the means for directing and controlling the flow of fluid from the inlet opening to the outlet opening may comprise at least one channel with a series of bends causing the fluid to change direction several times.
  • the fluid may be guided along a tortuous path comprising many bends at different angles.
  • the means for directing and controlling the fluid flow of cosmetic composition a) from the inlet b3a) to the outlet valve b3b) may comprise at least one spiral or helical channel. Due to the channel, the fluid may be guided along an oscillating or twisting path.
  • the means for directing and controlling the fluid flow of cosmetic composition a) from the inlet b3a) to the outlet valve b3b) along a non-linear path could comprise at least one baffle arranged to cause the fluid to change direction. Optionally, it could comprise a series of baffles arranged to cause the fluid to change direction several times.
  • the baffles are preferably arranged within the pressure chamber b3) to prevent the fluid from following a linear path between the inlet b3a) and the outlet valve b3b).
  • the pressure increase in the pressure chamber b3) is preferably carried out by heating.
  • At least one means for heating the cosmetic preparation a) may be located outside the pressure chamber b3).
  • the heating means may, for example, be a heated jacket which chamber. This could be used alone or in conjunction with other heating means, such as a heating means located within the chamber.
  • At least one means for heating the fluid may be located within the pressure chamber b3).
  • a spiral channel may be formed around a central cylindrical heating element.
  • At least one means for heating the fluid may be located within the chamber and the means for directing and controlling the fluid flow from the inlet port to the outlet port along a non-linear path may be positioned within the heating means where the fluid flow is fluidly isolated from the heating means.
  • a heating coil may be configured to adjoin the internal walls of the chamber and this heating coil may be filled with a shaped element which ensures that the fluid flow is directed along a non-linear path from the inlet b3a) to the outlet valve b3b).
  • the device b) preferably comprises at least one controller connected to the inlet valve b3a) and outlet valve b3b) so that the opening and closing of the inlet valve b3a) and the outlet valve b3b) is electronically controlled.
  • the controller can be programmed to close the outlet valve b3b) when the closing pressure or a set temperature is reached and to reopen the inlet valve b3a) to introduce new fluid into the chamber.
  • the system can alternate between introducing new fluid into the chamber and expelling the fluid from the outlet port.
  • the valve control can be offset so that the pressure chamber b3) is filled with fluid and the outlet valve b3b) then makes a series of short rapid opening operations until the pressure chamber b3) is emptied.
  • the controller may be programmed to open and close the valves b3a) and b3b) according to a time sequence, the valves being opened and closed for a predetermined time provided that a predetermined (or set) pressure or temperature within the pressure chamber b3) has been reached or exceeded.
  • the predetermined temperature could correspond to the saturation temperature of the fluid within the chamber at atmospheric pressure.
  • the temperature may be monitored by one or more temperature sensors which may be mounted within the chamber or near the chamber, for example in the inlet stream, or on a wall of the chamber.
  • the device may also comprise at least one pressure sensor within the chamber. This may be a pressure transducer. When fluid is expelled from the pressure chamber b3), the pressure within the chamber drops.
  • the outlet valve b3b) may be arranged to close when the pressure has dropped back to an ambient or second predetermined pressure, which may be referred to as the closing pressure. Alternatively, the outlet valve b3b) may be arranged to close after a preselected period of time has elapsed. It is possible to provide a return loop from the pressure chamber b3) to the reservoir b1). The return loop would be designed so that part of the fluid from the pressure chamber b3) can return to the reservoir b1) when the inlet valve b3a) is open in order to refill the cosmetic agent a) in the pressure chamber b3). The return line allows some liquid to flow from the pressure chamber b3) back to the storage container b1).
  • Fresh cosmetic preparation a) from the storage container b1) is fed to the pressure chamber b3) via the inlet valve b3a) by means of the conveying element b2).
  • the returned cosmetic preparation a) is warmer than the cosmetic preparation a) in the storage container b1), so that the return helps to increase the temperature of the cosmetic preparation a) in the storage container b1). This in turn can accelerate the heating of the cosmetic preparation a) in the pressure chamber b3).
  • a method for spraying a cosmetic preparation in which a cosmetic preparation a) is sprayed by means of a device for the finely distributed application of the cosmetic preparation a) from a storage container b1) by means of a pump or a similarly acting conveying element in order to convey the cosmetic preparation a) out of the storage container b1); is conveyed out and transferred to a pressure chamber in which the cosmetic preparation a) conveyed out of the storage container b1) can be subjected to a pressure increase, wherein the pressure chamber b3) comprises an inlet valve or a similarly acting closing element in order to be able to seal the cosmetic preparation a) conveyed by means of conveying element b2 from the storage container b1) into the pressure chamber b3) in an environmentally sealed manner; and furthermore an outlet valve or a similarly acting closing element in order to be able to apply the cosmetic preparation a) under increased pressure from the pressure chamber b3) in finely distributed form, wherein the cosmetic preparation a) has a thermal conductivity of 0.02

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Abstract

L'invention concerne des produits cosmétiques pour application par pulvérisation qui présentent des avantages en termes de variabilité (possibilité de pulvériser diverses préparations au moyen d'un dispositif), de consommation de ressources, l'application étant aussi uniforme que possible, et d'efficacité élevée lors de l'utilisation de petites quantités, lesdits produits cosmétiques comprenant a) une préparation cosmétique, b) un dispositif pour appliquer la préparation cosmétique a) d'une manière finement distribuée, ledit dispositif comprenant b1) un récipient de stockage pour la préparation cosmétique a), b2) une pompe ou un élément de transport à action similaire pour transporter la préparation cosmétique a) hors du récipient de stockage b1), et b3) une chambre sous pression dans laquelle la préparation cosmétique a) transportée hors du récipient de stockage b1) peut être soumise à une augmentation de pression, ladite chambre sous pression comprenant b3a) une soupape d'entrée ou un élément d'étanchéité à action similaire afin de pouvoir sceller hermétiquement la préparation cosmétique a) transportée au moyen de l'élément de transport b2) hors du récipient de stockage b1) dans la chambre sous pression b3), et b3b) une soupape de sortie ou un élément d'étanchéité à action similaire afin de pouvoir appliquer la préparation cosmétique a), qui est sous pression accrue, depuis la chambre sous pression b3) d'une manière finement distribuée, la préparation cosmétique a) contenant au moins 5 % en poids d'un premier solvant LM1 qui est liquide à 20 °C et au moins 5 % en poids d'au moins un second solvant LM2 qui est liquide à 20 °C, la différence entre les points d'ébullition des solvants LM1 et LM2 à 1 013,25 mbar étant dans la plage de 5 à 50 °C.
PCT/EP2023/078018 2022-11-15 2023-10-10 Produit cosmétique pour application par pulvérisation WO2024104657A1 (fr)

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DE102022212080.9 2022-11-15
DE102022212080.9A DE102022212080A1 (de) 2022-11-15 2022-11-15 kosmetisches Produkt zur Sprühapplikation

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322991A1 (fr) 1987-01-09 1989-07-05 Oki Electric Industry Company, Limited Tête d'impression par points à fils
EP2547455B1 (fr) * 2010-03-17 2015-10-21 Ipn Ip B.V. Contenant pourvu d'un dispositif de dosage
EP3229917A1 (fr) 2014-12-11 2017-10-18 Henkel AG & Co. KGaA Produit et procédés pour le traitement de fibres kératiniques
EP3229752A1 (fr) 2014-12-10 2017-10-18 Henkel AG & Co. KGaA Produit cosmétique contenant de l'éthanol et un amylate dans un dispositif de vaporisation éclair
US20170312191A1 (en) * 2014-12-10 2017-11-02 Henkel Ag & Co. Kgaa Agents and methods for the temporary shaping of keratin-containing fibers
US20180263358A1 (en) * 2014-12-10 2018-09-20 Henkel Ag & Co. Kgaa Agent and method for cosmetic treatment
US20210076798A1 (en) * 2017-07-21 2021-03-18 Aptar Radolfzell Gmbh Liquid dispenser

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322991A1 (fr) 1987-01-09 1989-07-05 Oki Electric Industry Company, Limited Tête d'impression par points à fils
EP2547455B1 (fr) * 2010-03-17 2015-10-21 Ipn Ip B.V. Contenant pourvu d'un dispositif de dosage
EP3229752A1 (fr) 2014-12-10 2017-10-18 Henkel AG & Co. KGaA Produit cosmétique contenant de l'éthanol et un amylate dans un dispositif de vaporisation éclair
US20170312191A1 (en) * 2014-12-10 2017-11-02 Henkel Ag & Co. Kgaa Agents and methods for the temporary shaping of keratin-containing fibers
US20180263358A1 (en) * 2014-12-10 2018-09-20 Henkel Ag & Co. Kgaa Agent and method for cosmetic treatment
EP3229917A1 (fr) 2014-12-11 2017-10-18 Henkel AG & Co. KGaA Produit et procédés pour le traitement de fibres kératiniques
US20210076798A1 (en) * 2017-07-21 2021-03-18 Aptar Radolfzell Gmbh Liquid dispenser

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