CN112741778A - Strippable eyeliner based on aqueous polyurethane dispersion and preparation method thereof - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/87—Polyurethanes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8129—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers or esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers, e.g. polyvinylmethylether
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
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Abstract
The invention discloses strippable eyeliner based on aqueous polyurethane dispersion and a preparation method thereof. The invention provides the strippable eyeliner which is not required to be removed, only needs to be stripped easily during removal, and simplifies the step of removing makeup.
Description
Technical Field
The invention relates to an eyeliner, in particular to a strippable eyeliner based on an aqueous polyurethane dispersion and a preparation method thereof.
Background
For people who love beauty, a good cosmetic is very important, and the eye makeup is especially important as a pen for making up the whole eye, so that the eye makeup is convenient, easy to use and good in effect.
The eyeliner liquid can draw a naked line, has the advantages of simple use, capability of mastering the thickness degree of the line, capability of makeup supplement at any time, high cost performance and the like, and is the most popular product in the aspect of the eyeliner cosmetics at present. The initial eyeliner product is generally not waterproof, is drawn in the morning and may disappear or be changed in the afternoon, and the effect time is very short. Therefore, technicians continuously improve the anti-carsickness performance, and usually add a water-resistant film-forming agent or grease to achieve the purpose of improving the makeup-holding degree. Patent CN 107496211A discloses a method for preparing a water-resistant and oil-resistant eyeliner by adding substances such as acrylic acid (ester) copolymers, and the eyeliner prepared by the method is not easy to be tinged and has good durability.
However, the pursuit of improvement of the make-up retention brings disadvantages to the eyeliner: the cleansing cream can not be washed off by using common cleansing cream, and can be washed off only by using cleansing oil.
In order to solve the problem of difficult makeup removal, the technical personnel also improve. Patent CN 108186378A discloses an eyeliner without makeup removal and a preparation method thereof, in the method, morpholine, shellac and sodium stearate are added into the traditional eyeliner, so that the eyeliner coated on eyes can contain a small amount of soap after being volatilized for a period of time, and the makeup removal step is simplified. However, in this method, a small amount of soap contained after volatilization with the lapse of time is expected to lower the water resistance of the eyeliner because the soap has an emulsifying action. And the components such as morpholine and the like are not in the Chinese cosmetic raw material list and have certain toxicity, and morpholine is flammable liquid and vapor, can be poisoned by inhalation and is harmful to swallowing, and can be poisoned by skin contact to cause serious skin burn and eye injury. The technical scheme can not be practically applied to cosmetics, and although a brand-new theoretical thought is provided, the technical scheme does not have practical application significance.
Therefore, it would be of technical and economic value to develop a safe, conformable eyeliner that has good water and make-up durability and is easily removed.
Disclosure of Invention
The invention discloses a novel strippable eyeliner containing an aqueous polyurethane dispersion, which takes the aqueous polyurethane dispersion as a main component and is matched with a thickening agent, a humectant, a solvent, a color paste, a preservative and the like. The makeup removing device is not required to be used for makeup removal, and only needs to be easily peeled off when the makeup is removed, so that the makeup removing step is simplified.
The strippable eyeliner containing the aqueous polyurethane dispersion comprises the following components in percentage by weight:
(a)5 to 60 wt%, preferably 10 to 40 wt% of an aqueous polyurethane dispersion;
(b)0 to 0.1 wt%, preferably 0.01 to 0.1 wt% of a thickener;
(c) 2-20 wt%, preferably 5-15 wt% of a humectant;
(d)5 to 30 wt%, preferably 10 to 25 wt% of a volatilizable solvent;
(e) 10-30 wt%, preferably 15-25 wt% of color paste;
(f)0 to 0.5 wt%, preferably 0.2 to 0.5 wt% of a preservative;
(g) 0-78 wt% of deionized water, preferably 10-55 wt% of deionized water.
Further, the aqueous polyurethane dispersion is an aqueous polyurethane dispersion synthesized with HMDI as an isocyanate monomer. The preparation method can be carried out according to the method commonly used for preparing the aqueous polyurethane dispersion in the field, the polyol reacted with the HMDI can be selected from polyol monomers commonly used for synthesizing polyurethane in the field, such as polyester polyol and polyether polyol with the number average molecular weight of 20-14000, and the total solid content of the aqueous polyurethane dispersion is generally 20-60 wt%.
In a more specific embodiment, the aqueous polyurethane dispersion of (a) is the product of a reaction comprising the following reactants:
(a1)5 to 35 wt%, preferably 8 to 33 wt%, of HMDI represented by the following formula;
(a2) 45-94 wt%, preferably 56-87 wt% of polyester polyol, 20-14000, preferably 500-3000 number average molecular weight, and 2-3 functionality. The (a2) polyester polyol is prepared by reacting organic polycarboxylic acid and/or anhydride thereof with polyhydric alcohol, preferably adipic acid with one or more selected from ethylene glycol, 1, 2-propylene glycol, 1, 4-butanediol, 1, 3-butanediol, 1, 6-hexanediol, trimethylolpropane and neopentyl glycol;
(a3) 0-3 wt%, preferably 0-1 wt%, of a low molecular weight diol chain extender selected from one or more of ethylene glycol, diethylene glycol, 1, 3-propanediol, 1, 2-propanediol, 1, 4-butanediol, 1, 3-butanediol, cyclohexanediol, 1, 4-cyclohexanedimethanol, 1, 6-hexanediol and neopentyl glycol, preferably 1, 4-butanediol and/or neopentyl glycol;
(a4) 0.1-10 wt%, preferably 0.3-6 wt% of polyamine chain extender selected from one or more of polyamines with 2-20 carbon atoms and a functionality of 2-3, preferably 1, 2-ethylenediamine, isophoronediamine, the sodium salt of N- (2-aminoethyl) -2-aminoethanesulfonic acid and the sodium salt of N- (2-aminoethyl) -2-aminopropanesulfonic acid;
(a5) 0-8 wt%, preferably 0-4.5 wt% of polyethylene glycol monomethyl ether, preferably 500-2000 number average molecular weight polyethylene glycol monomethyl ether;
the content of each component is calculated based on the mass of the polyurethane of the (a) aqueous polyurethane dispersion.
The preparation method of the (a) aqueous polyurethane dispersion comprises the following steps: mixing (a1) polyisocyanate, (a2) polyester polyol monomer, optional (a3), (a5) and a first part of solvent such as acetone according to the proportion, heating to 50-80 ℃, and stirring until the reaction product reaches or is slightly lower than the theoretical NCO content to prepare a prepolymer; dissolving the prepared prepolymer in a second part of solvent such as acetone at 30-150 ℃, wherein the total using amount of the first part of solvent and the second part of solvent such as acetone is 100-200 wt% of the total solid part mass of the (a) aqueous polyurethane dispersion; mixing for 10-15 min, adding (a4) polyamine chain extender, continuing to react for 15-30 min at 35-45 ℃, adding water under the condition of shearing dispersion, wherein the amount of the water is 100-300 wt% of the total solid mass of the aqueous polyurethane dispersion, and then removing the solvent such as acetone in vacuum to obtain the aqueous polyurethane dispersion (a). The amount of the first part to be used may be determined by those skilled in the art based on viscosity, and the mass ratio of the first part solvent to the second part solvent may be, for example, 1:3 to 9.
The total solid content of the aqueous polyurethane dispersion (a) is 20-60 wt%, and the aqueous polyurethane dispersion (a) is an anionic aqueous polyurethane dispersion with the particle size of 100-300 nm. Preferably, the cosmetic material name (INCI name) is a mixture of polyurethane-35 and polyurethane-11 ((R))
ST11INCI name: polyurethane-35 and polyurethane-11 (the viscosity of the polyurethane-35 is 10-300 mPa.s (25 ℃), the viscosity of the polyurethane-11 is 3000-10000 mPa.s (25 ℃), and the molecular weight is preferably more than 10000 Dalton molecular weight), wherein the weight of the polyurethane-35 is 50-80 wt% and the weight of the polyurethane-11 is 20-50 wt%, which are purchased from Wanhua chemical group GmbH.
The HMDI synthesized aqueous polyurethane dispersion has excellent ductility and elasticity due to the linear structure, and the preferred polyurethane dispersion conforms to Chinese cosmetic regulations, is a Chinese existing cosmetic raw material and is used for eyeliner, and the formed film has good elasticity and is not easy to break when being peeled off.
The thickener (b) is one or more of a HEUR thickener, an acrylic thickener, cellulose, diatomite, carbomer, starch, gelatin, sodium alginate, guar gum, gum arabic, xanthan gum, soybean protein gum and agar, preferably an aqueous dispersion of xanthan gum with the mass fraction of 2 wt%, preferably the addition amount of the aqueous dispersion of xanthan gum is 2.0-3.0 wt%, and the wt% of the addition amount is based on the total weight of the strippable eyeliner. The thickening agent with the optimal proportion can adjust the viscosity of the eyeliner, so that the eyeliner not only ensures the continuity of the outlet water, but also can not cause faint when being used.
Further, the humectant (c) is one or more of water-soluble humectants commonly used in cosmetics such as glycerin, propylene glycol, butylene glycol and hexylene glycol, preferably 3.0-7.0 wt% of 1, 3-propylene glycol, 0.2-0.8 wt% of 1, 3-butylene glycol and 0.05-0.2 wt% (for example, 0.1 wt%) of 1, 6-hexylene glycol are used in combination, and the preferred proportion of the humectant has good compatibility with the aqueous polyurethane dispersion based on the total weight of the strippable eyeliner, so that the nib can be kept wet during storage of the eyeliner after filling.
Further, the volatilizable solvent (d) is one or more of volatilizable solvents commonly used in cosmetics such as ethanol, isopropanol and the like, preferably 15.0-25.0 wt% of ethanol, wherein the wt% is based on the total weight of the strippable eyeliner. The preferred volatilizable solvent can make the eyeliner increase the drying speed of eyeliner in use and prevent halation in drying process.
Further, the (e) color paste is a water-based color paste with the particle size of less than 20nm, preferably one or more of carbon black and/or iron oxide black and the like, and further preferably a nano-scale carbon black color paste with the solid content of 25-35 wt%. The addition amount is 20.0-28.0 wt%, and the wt% is based on the total weight of the strippable eyeliner. The preferable color paste has good compatibility with the formula, and the small particle size is beneficial to smooth water discharge of the filling eyeliner, and simultaneously ensures the blackness when the eyeliner is used.
Further, the preservative (f) is a broad-spectrum preservative.
The second aspect of the invention provides a preparation method of the strippable eyeliner based on the aqueous polyurethane dispersion, which comprises the following steps: according to the component proportion in the formula, the aqueous polyurethane emulsion, optional thickening agent, humectant, volatile solvent, color paste and optional preservative are mixed.
Compared with the prior art, the novel strippable eyeliner based on the aqueous polyurethane dispersion has the following advantages that: under the precondition of ensuring the makeup-maintaining degree of the eyeliner, the unique aqueous polyurethane dispersion is used as the formula film-forming agent, so that the eyeliner is not required to be removed during use and is only required to be easily stripped during removal, and the makeup removal step is simplified. The substances in the formula are all used raw materials of Chinese cosmetics, meet the requirements of regulations and have practical application values.
Detailed Description
The following examples further illustrate the invention but should not be construed as limiting the invention.
The products used in the examples:
polyurethane-35 was synthesized by the following method: 75g of the mixture was put into a four-necked flask
HMDI, 250g of CMA-654 (Tahitachi Daichio, polyester polyol), 3g of neopentyl glycol, mixed and stirred at 60 ℃ for 10min, when the reaction NCO% to be tested was equal to about 2.3 wt%, the prepolymer was cooled to 40 ℃ and dissolved in 350g of acetone solvent, after 15min of mixing, 0.2g of ethylenediamine and 5g of ethylene diamine were added
A95 (sodium sulfamate aqueous solution chain extender) is added into a solution formed by 15g of deionized water, after the reaction is continued for 30min at the temperature of 45 ℃, 498g of water is added under the condition of shear dispersion, and then acetone is removed by reduced pressure distillation to obtain a polyurethane dispersion with the solid content of about 40 wt%, wherein the particle size is 230 nm.
Polyurethane-11 was synthesized by the following method: 75g of the mixture was put into a four-necked flask
HMDI, 300g PBA2000 (Nitzschia Daichi Chemicals, polyester polyol)) 80g of CMA654 (Taguchi Daichi Chemicals, polyester polyol), 5g of MPEG1200 (polyethylene glycol monomethyl ether) and 30g of acetone were stirred homogeneously at 70 ℃ and reacted, and when the NCO in the reaction was determined to be 1.4% by weight, the prepolymer was dissolved in 500g of acetone, mixed for 15min, and then 3.8g of hexamethylenediamine and 6.5g of acetone were added
A95 (Yingchuang sodium sulfamate aqueous solution chain extender) in 20g of deionized water is reacted for 30min at the temperature of 45 ℃, 500g of water is added under the shearing condition, and then acetone is removed through reduced pressure distillation to obtain a polyurethane dispersion with the solid content of about 47 percent and the particle size of 150 nm.
polyvinyl alcohol (INCI name: polyvinyl alcohol, Beijing Entrepaneur Science & tracing Co., Ltd.);
xanthan gum (thickener, Zhengzhou Hongyutai chemical industry) (prepared into 2% xanthan gum water dispersion liquid in advance for use);
1, 3-propanediol (humectant, du pont, usa);
1, 6-hexanediol (humectant, japan asahi chemical);
1, 3-butanediol (humectant, japan empire chemical);
ethanol (volatile solvent, Dongguan great chemical industry);
a carbon black nanoparticle dispersion (color paste, sheath-like sheath);
dmdmdmh (preservative, dow chemical).
Table 1 examples and comparative examples each raw material part by mass example of eyeliner
Examples
Comparative example
Test method
A. Peelability of
The eyeliner was streaked on the skin at 25 ℃ under an atmosphere of 50% humidity, and the peelability of the eyeliner dried to form a film was scored by 10 test persons. Good elasticity, complete peeling, no pain, no residue of 5 points, difficult peeling, pain, film breakage, and residue of 0 point.
B. Prevent carsickness and stain
The anti-halation property of the eyeliner was scored after 12 hours by using the eyeliner from 10 test persons under an environment of 25 ℃ and 50% humidity. No halation, good water resistance of 5min, complete halation, and no water resistance of 0 min.
C. Fluency of water outlet
Under an environment of 25 ℃ and 50% humidity, 10 subjects used the eyeliner and scribed lines on their arms to see whether the eyeliner was smooth. No disconnection, 5 minutes of uniform blackness, intermittent and continuous eye line, and 0 minute of uneven blackness.
D. Wetness degree of pen head
And (3) placing the filled eyeliner in an environment with 50 ℃ and 50% humidity for 30 days, and taking out the eyeliner to observe the wettability of the pen head. The wetting degree is good, the normal water outlet can be 5 minutes, the pen point is dry, and the water outlet can not be 0 minute.
E. Blackness of eye line
The eyeliner was streaked on the skin at 25 ℃ under a humidity of 50%, and the blackness of the eyeliner dried to form a film was scored by 10 test persons.
F. Drying speed
The eyeliner was streaked on the skin at 25 deg.C under 50% humidity, and the drying time was measured by finger touch and recorded. Preferably within 10 seconds of surface drying.
TABLE 2 evaluation results of examples and comparative examples
Examples
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | |
| Peelability of | 5 | 3 | 5 | 5 | 3 | 5 |
| Prevent carsickness and stain | 5 | 3 | 4 | 4 | 4 | 5 |
| Fluency of water outlet | 5 | 5 | 3 | 5 | 5 | 5 |
| Wetness degree of pen head | 5 | 3 | 4 | 5 | 4 | 5 |
| Blackness of eye line | 5 | 3 | 3 | 5 | 4 | 5 |
| Drying speed | 5 | 3 | 3 | 5 | 4 | 5 |
Comparative example
From the above results, it can be seen that: the novel strippable eyeliner based on the aqueous polyurethane dispersion is used, and the unique aqueous polyurethane dispersion is used as a formula film forming agent under the precondition of ensuring the makeup-sustaining degree of the eyeliner during use, so that the eyeliner is not required to be removed during use and is only required to be stripped easily during removal, and the makeup removal step is simplified. The substances in the formula are all used raw materials of Chinese cosmetics, meet the requirements of regulations and have practical application values.
Claims (10)
1. A peelable eyeliner based on an aqueous polyurethane dispersion comprising the following components:
(a)5 to 60 wt%, preferably 10 to 40 wt% of an aqueous polyurethane dispersion;
(b)0 to 0.1 wt%, preferably 0.01 to 0.1 wt% of a thickener;
(c) 2-20 wt%, preferably 5-15 wt% of a humectant;
(d)5 to 30 wt%, preferably 10 to 25 wt% of a volatilizable solvent;
(e) 10-30 wt%, preferably 15-25 wt% of color paste;
(f)0 to 0.5 wt%, preferably 0.2 to 0.5 wt% of a preservative;
(g) 0-78 wt% of deionized water, preferably 10-55 wt% of deionized water;
the wt% is based on the total weight of the peelable eyeliner.
2. A peelable eyeliner according to claim 1 wherein the aqueous polyurethane dispersion is an aqueous polyurethane dispersion synthesized with HMDI as the isocyanate monomer.
3. A peelable eyeliner according to claim 1 or 2 wherein said aqueous polyurethane dispersion of (a) is the product of the reaction of:
(a1)5 to 35 wt%, preferably 8 to 33 wt%, of HMDI represented by the following formula;
(a2)45 to 94 wt%, preferably 56 to 87 wt%, of a polyester polyol having a number average molecular weight of 20 to 14000, preferably 500 to 3000, and a functionality of 2 to 3, further wherein the (a2) polyester polyol is prepared by reacting an organic polycarboxylic acid and/or an anhydride thereof with a polyol, preferably adipic acid with one or more selected from ethylene glycol, 1, 2-propanediol, 1, 4-butanediol, 1, 3-butanediol, 1, 6-hexanediol, trimethylolpropane and neopentyl glycol;
(a3) 0-3 wt%, preferably 0-1 wt%, of a low molecular weight diol chain extender selected from one or more of ethylene glycol, diethylene glycol, 1, 3-propanediol, 1, 2-propanediol, 1, 4-butanediol, 1, 3-butanediol, cyclohexanediol, 1, 4-cyclohexanedimethanol, 1, 6-hexanediol and neopentyl glycol, preferably 1, 4-butanediol and/or neopentyl glycol;
(a4) 0.1-10 wt%, preferably 0.3-6 wt% of polyamine chain extender selected from one or more of polyamines with 2-20 carbon atoms and a functionality of 2-3, preferably 1, 2-ethylenediamine, isophoronediamine, the sodium salt of N- (2-aminoethyl) -2-aminoethanesulfonic acid and the sodium salt of N- (2-aminoethyl) -2-aminopropanesulfonic acid;
(a5) 0-8 wt%, preferably 0-4.5 wt% of polyethylene glycol monomethyl ether, preferably 500-2000 number average molecular weight polyethylene glycol monomethyl ether;
the content of each component is calculated based on the mass of the polyurethane of the (a) aqueous polyurethane dispersion.
4. A peelable eyeliner according to claim 3 wherein (a) the aqueous polyurethane dispersion is prepared by a process comprising the steps of: according to the proportion, mixing (a1) polyisocyanate, (a2) polyester polyol monomer, optional (a3) and (a5) and a first part of solvent, heating to 50-80 ℃, and stirring until the reaction product reaches or is slightly lower than the theoretical NCO content to prepare a prepolymer; dissolving the prepared prepolymer in a second part of solvent at 30-150 ℃, wherein the total using amount of the first part of solvent and the second part of solvent is 100-200 wt% of the total solid part mass of the aqueous polyurethane dispersion; after mixing, adding (a4) polyamine chain extender, continuing to react at 35-45 ℃, adding water under the condition of shearing dispersion, wherein the amount of the water is 100-300 wt% of the total solid mass of the (a) aqueous polyurethane dispersion, and then removing the solvent in vacuum to obtain the (a) aqueous polyurethane dispersion.
5. The peelable eyeliner of any one of claims 1-4 wherein the (a) aqueous polyurethane dispersion is an anionic aqueous polyurethane dispersion having a total solids content of 20-60 wt% and a particle size of 100-300 nm; preferred are mixtures of INCI name polyurethane-35 and polyurethane-11, wherein polyurethane-35 is 50 to 80 weight percent and polyurethane-11 is 20 to 50 weight percent, based on the total weight of the mixture of polyurethane-35 and polyurethane-11.
6. The peelable eyeliner of any one of claims 1-5, wherein said (b) thickener is one or more of HEUR type thickener, acrylic acid type thickener, cellulose, diatomaceous earth, carbomer, starch, gelatin, sodium alginate, guar gum, gum arabic, xanthan gum, soy protein gum and agar, preferably a 2% aqueous dispersion of xanthan gum, preferably in an amount of 2.0 to 3.0 wt%, based on the total weight of the peelable eyeliner.
7. The peelable eyeliner of any one of claims 1-6 wherein the humectant (c) is one or more of water soluble humectants glycerin, propylene glycol, butylene glycol, hexylene glycol, preferably 3.0 to 7.0 wt% 1, 3-propylene glycol, 0.2 to 0.8 wt% 1, 3-butylene glycol, and 0.05 to 0.2 wt% 1, 6-hexylene glycol, the wt% based on the total weight of the peelable eyeliner.
8. The peelable eyeliner of any one of claims 1-7 wherein said (d) volatilizable solvent is ethanol and/or isopropanol, preferably 15.0 to 25.0 wt% ethanol, based on total weight of the peelable eyeliner.
9. The strippable eyeliner of any one of claims 1-8, wherein said (e) color paste is an aqueous color paste with a particle size of less than 20nm, preferably carbon black and/or iron oxide black, more preferably a nano-scale carbon black color paste with a solid content of 25-35 wt%, and the addition amount is 20.0-28.0 wt%, and the addition amount wt% is based on the total weight of the strippable eyeliner.
10. A method of preparing a peelable eyeliner according to any one of claims 1-9 comprising the steps of: according to the component proportion in the formula, the aqueous polyurethane dispersion, optional thickening agent, humectant, volatile solvent, color paste and optional preservative are mixed.
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| CN1350835A (en) * | 2000-10-27 | 2002-05-29 | 莱雅公司 | Film cosmetics composition |
| CN1649561A (en) * | 2002-05-10 | 2005-08-03 | 狮王-狮达比罗化妆品股份有限公司 | Cosmetic preparation |
| CN101980690A (en) * | 2008-03-26 | 2011-02-23 | 拜尔材料科学股份公司 | decorative cosmetic composition |
| CN102100651A (en) * | 2009-12-18 | 2011-06-22 | 莱雅公司 | Eyelashes or eyebrows makeup composition |
| JP2011126885A (en) * | 2009-12-18 | 2011-06-30 | L'oreal Sa | Composition comprising aqueous polyurethane dispersion and oil-soluble polar modified polymer |
| JP2011126884A (en) * | 2009-12-18 | 2011-06-30 | L'oreal Sa | Mascara containing aqueous polyurethane dispersion and hard wax |
| CN103655386A (en) * | 2012-09-04 | 2014-03-26 | 浙江美雪化妆品有限公司 | Liquid eyeliner |
| US20160136085A1 (en) * | 2014-11-13 | 2016-05-19 | L'oreal | Water-based liquid cosmetic compositions |
| US20180303744A1 (en) * | 2015-10-30 | 2018-10-25 | Covestro Deutschland Ag | Cosmetic composition comprising polyurethane |
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