KR100863233B1 - Functional water-in-powder formulation for cosmetic application - Google Patents

Abstract

The present invention provides a composition comprising (A) a hydrophilic liquid carrier containing 0.01 to 20% by weight of C _{2 to} C ₆ lower monoalcohol or polyol; (B) 0.01 to 10% by weight of a gelling agent; And (C) 70m ² / g to 130m ² / g inorganic or metal material having a specific surface area of 0.01 To 20% by weight, wherein the hydrophilic liquid carrier is pure water or a hydrosol, and the pure water or hydrosol component is functional water, which is a functional water consisting of a balance of 100 minus the sum of all components of the other phase. will be.

The functional cosmetic composition in powder form of the present invention can be used while maintaining the powder in a good state by stabilizing a functional ingredient that is easily destroyed by oxidation by heat, light, moisture, and air by appropriately blending a cosmetic active ingredient and a functional ingredient. In other words, even when rubbed by hand, it melts in the liquid phase without destroying the functional ingredients, thereby maximizing the function of each functional ingredient, and at the same time, the powder-type composition contains a large amount of moisture and moisturizing ingredients to provide excellent moisturizing function. A functional cosmetic composition in form.

Powder, gelling agent, moisture, specific surface area, functional

Description

FUNCTIONAL WATER-IN-POWDER FORMULATION FOR COSMETIC APPLICATION

The present invention relates to a water in powder cosmetic composition which contains a large amount of moisture and moisturizing ingredients and at the same time contains a functional ingredient, wherein the cosmetic composition has a shape in which a powder is covered on an outer circumferential surface of a finely pulverized water molecule. It is about.

The present invention relates to a functional cosmetic composition in the form of a powder, and more particularly, by properly blending a cosmetic active ingredient and a functional ingredient, stabilizing a functional ingredient that is susceptible to destruction by oxidation by heat, light, moisture, and air, and in a good state When used while maintaining in powder form, that is, even when rubbed by hand, it dissolves in the liquid phase without destroying the functional ingredients, maximizing the function of each functional ingredient, and simultaneously containing a large amount of moisture and moisturizing ingredients in the powder A functional cosmetic composition in powder form with excellent properties.

The functional properties of cosmetics are further emphasized, and in particular, the use of functional ingredients along with the desire of consumers seeking wrinkle improvement and skin elasticity, whitening, and moisturizing has been a major research task for developers studying cosmetics. , Arbutin, Lecithin, Licithin, Licorice acid, Flavonoids, Chlorophyllin, Ethoxyquiin, Guanosine, Tocopherol and its derivatives, Ascorbyl palmitate, β-carotene, Vitamin E and its derivatives, Vitamin C And theories about the efficacy and effects of derivatives thereof, and vitamin A and derivatives thereof, are already well known in general journals, and have been widely applied as cosmetic ingredients.

Conventional techniques for containing the functional ingredient in cosmetics include a separate functional ingredient and a lotion, and each method is used by mixing each other, and another technique is a method of containing the functional ingredient in the emulsion and lotion. However, these methods are difficult to use due to the complicated process and difficult to combine high functional components, and there is a problem that the stability is not good, such as being oxidized and destroyed by heat, light, moisture, and air when formulated high in the formulation. .

Accordingly, the present invention, by properly blending the cosmetic active ingredient and functional ingredients, stabilizes the functional ingredients that are easily destroyed by oxidation by heat, light, moisture, air, and the like, while maintaining them in a powder form in good condition, that is, by hand Even in the case of rubbing, the functional ingredients are not destroyed and are dissolved in the liquid to maximize the function of each functional ingredient, and at the same time, it contains a large amount of moisture and moisturizing ingredients to provide a functional cosmetic composition having a powder property excellent in moisturizing properties and a method of manufacturing the same. Its purpose is to.

The present invention relates to a water-in powder cosmetic composition, which is a functional water, in the form of a skin protective powder that melts in a liquid state when applied topically to the skin, characterized by containing the following composition.

(A) a hydrophilic liquid carrier containing from 0.01 to 20% by weight of a C _{2 to} C ₆ lower monoalcohol or polyol;

(B) 0.01 to 10% by weight of a gelling agent; And

(C) 70m ² / g to 130m ² / g inorganic or metal material having a specific surface area of 0.01 To 20 wt%; wherein the hydrophilic liquid carrier is pure water or hydrosol, and the pure water or hydrosol component consists of 100 minus the sum of all components of the other phase.
Furthermore, the functional water powder cosmetic composition of the present invention is flavonoids, chlorophyllin, ethoxyquiin, guanosine, tocopherol and derivatives thereof, ascorbic acid, ascorbyl palmitate, β-carotene, vitamin E and derivatives thereof, vitamins It may further contain one or two or more functional ingredients selected from the group consisting of C and derivatives thereof and vitamin A and derivatives thereof.
Hereinafter, each component will be described in detail.

(A) hydrophilic liquid carrier

The hydrophilic liquid carrier plays an important role in moisturizing properties and is contained in 50 to about 95% by weight of the total composition, more preferably in 80 to about 90% by weight.

C ₂ -C ₆ lower monoalcohols and / or polyols in the hydrophilic liquid carrier include glycerin, diglycerin, triglycerine, glycerol, butylene glycol, isoprene glycol, propylene glycol, diisopropylene glycol, 1,3-butylene One or two or more selected from glycols and hexylene glycols are suitably contained.

It contains a moisturizing or humectant, and is characterized by suitably containing one or two or more selected from, for example, hyaluronic acid and its sodium salt, β-glycerophosphate, sorbitol or panthenol.

Hydrophilic liquid carriers can use not only pure water, but also hydrosol, which is a natural water produced when extracting essential oils using plants, and lavender water, rose water, tea tree water, chamomile water, Orange flower water and the like can be used.

(B) gelling agent

The gelling agent plays an important role in the production of powder that is water and is contained in 0.01 to 10% by weight of the total composition, more preferably in 0.1 to 5% by weight. If the amount of the gelling agent is less than 0.01% by weight, the powder does not properly surround the liquid carrier, that is, water. If the amount of the gelling agent is more than 10% by weight, the powder is formed by a fine external force when the powder is formed on the skin. The problem of not changing to the liquid phase occurs.

The gelling agent is one or two selected from carboxylic acid polymers, crosslinked polyacrylate polymers, polyacrylamide polymers, polysaccharides, crosslinked vinyl ether / maleic anhydride copolymers, crosslinked poly (N-vinylpyrrolidone) It is characterized by containing more than a species suitably.

More specifically hydrophilic polymers such as acrylic acid / ethyl acrylate copolymer and carboxyvinyl polymer. Examples of such polymers or copolymers are in particular 'carbomer' (CTFA) sold under the trade name Carbopol (Goodrich Co.) or polyglyceryl methacryl sold under the trade name Lubragel (Guardian Co.). Polyglyceryl acrylate sold under the trade name Hispagel (Hispano Chimica Co.) or polyacrylamide / C _13-14 isoparaffin / Laureth 7 sold under the trade name Sepigel (SEPPIC Co.).

As other gelling agents which can be used in the present invention, mention may be made of the following: polysaccharide derivatives such as cellulose derivatives such as carboxymethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose or microcrystalline cellulose; Xanthan polymers, gellan polymers, rhamsan polymers, alginates, maltodextrins, starch and derivatives thereof, hyaluronic acid and salts thereof, karaya gum, carbo powders, and guar derivatives, in particular hydroxypropylguar Can be used.

In addition, polyethylene glycol (PEG) and derivatives thereof can be used as the hydrophilic polymer.

(C) 70m ² / g to 130m inorganic or metal material having a specific surface area of ² / g

The invention containing an inorganic or metallic material having a specific surface area of 0.01 to 20% by weight of 70m ² / g to 130m of the composition ² / g, more preferably containing 0.1 to 10% by weight. If the content is less than 0.01% by weight, the aqueous phase component may not be sufficiently powdered, and if the content is greater than 20% by weight, the liquid phase may not be sufficiently liquefied during application, and whitening may occur due to excessive particles after application.

In addition, when the specific surface area is smaller than 70 m ² / g, the aqueous phase component may not be sufficiently powdered, and when the specific surface area is larger than 130 m ² / g, the liquid phase may not be sufficiently liquefied during application, and whitening may occur due to excessive particles after application. .

70m to ² / g to inorganic or metal material having a specific surface area of 130m ² / g which can be used in the present invention include silica, titanium dioxide, zirconium dioxide, cerium dioxide, zinc oxide, iron oxide, chromium, nano-oxide Titanium, nanozinc and ferric blue.

(D) functional ingredient
The present invention three components, namely (A) a hydrophilic liquid carrier, (B) a gelling agent, (C) 70m ² / g to 130m ² / g of specific surface area of an inorganic or metallic material in powder form of a powder in water with After the preparation, the powder form powder thus prepared may be mixed with other functional ingredients to prepare a cosmetic composition in powder form to which the functional ingredient is stably added. The cosmetic composition thus prepared has an effect of increasing the storage stability and efficacy of the functional ingredient on the powder.

Functional ingredients include flavonoids, chlorophyllin, ethoxyquiin, guanosine, tocopherol and derivatives thereof, ascorbic acid, ascorbyl palmitate, β-carotene, vitamin E and its derivatives, vitamin C and its derivatives, vitamin A and Derivatives thereof, plant extracts in powder form and the like can be used.

Using the cosmetic active ingredient described above in detail the manufacturing process of the functional cosmetic composition of the powder property as follows.

First, the 70m ² / g to 130m ² / g The specific surface area of the inorganic or metal material mixture is properly compounded with the mixture uniformly mixed using a mixer and gradually put into a hydrophilic liquid carrier herein in and a gelling agent again While further adding while stirring to prepare a powder cosmetic composition in the form of a water, and then to the functional ingredient again by adding a further stirring to obtain a functional cosmetic composition in the form of a powder.

Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited by Examples.

Example 1-3 and Comparative Example 1-3

The cosmetics are prepared by using a conventional method of preparing cosmetics with various compositions and contents, and the powdering, lightness, impact strength, liquefaction, and moisturizing properties of each cosmetic powder are judged by the following methods and criteria. It is shown next.

Measurement method and criterion

(A) Powdering: It carried out through 250 micrometers.

○: pass over 95%

△: pass more than 70%

×: 50% or more pass

(B) Degree of visual acuity: A method of checking after 7 days at 40 ° C. was used.

○: No change in appearance

△: slight color change

×: Separation phenomenon (Aqueous layer is at the bottom)

(C) Impact strength: 30 ml of a 40 ml sample bottle was charged and measured by dropping it from a height of 50 cm.

○: No change in appearance

△: slight separation

×: separation phenomenon (water layer is at the bottom)

(D) Liquefaction: Measured using a method of rubbing hands by taking 1g of the contents.

○: quickly liquefied

△: liquefied slowly

×: liquefaction is slow and white

(E) Moisturizing characteristics

Moisture retention test

In order to evaluate the moisturizing power by measuring the water holding capacity in the stratum corneum, the water holding capacity test for Examples 1-3 and Comparative Examples 1-3 was carried out as follows. Skicon-200, a water content measuring instrument, was used for 20 subjects. The test was performed while maintaining a temperature of 25 ° C. and 50% relative humidity for accurate experiments. Skin coating amount is applied to skin with 0.03g of sample per 9cm ² of skin, immediately after application (0, 30, 60, 120 seconds) and 1 hour (0, 30, 60, 90 seconds, 120 seconds), each of the conductivity (Conductance) was measured to measure the water retention capacity, and then the amount of change in each experiment was evaluated.

Water retention capacity (W.H.C.) = (sum of conductivity at 30, 60, 90, 120 sec) / (sum of conductivity at 0, 30, 60, 90, 120 sec) × 100

The cosmetic compositions prepared in Examples 1-3 and Comparative Examples 1-3 are shown in the table below.

Raw material Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 A Purified water to 100 ¹  to 100  to 100  to 100  to 100  to 100 glycerin 3 5 10 - - 10 Propylene glycol 7 5 - - 10 - Sodium hyaluronate 2 2 2 2 2 2 Imidazolidinyl urea 0.1 0.1 0.1 0.1 0.1 0.1 B Carbomer 3 2 - 3 - - Polyacrylamide / C _13-14 Isoparaffin / Laureth 7 - One 3 - - 3 C Silica (specific surface area 100m ² / g) 3 1.5 - 3 - - Titanium dioxide (specific surface area 90m ² / g) - 1.5 3 - 3 - Titanium dioxide (specific surface area 60m ² / g) - - - - - 3 D Ascorbic acid 3 3 3 3 3 3 Ascorville Palmitate One One One One One One

¹ . Represents the water component of phase A, the sum of all components of all other phases except the water component of phase A minus 100, that is, the water component of phase A = 100 − (sum of all components of other phases)

A: Hydrophilic Liquid Carrier

B: gelling agent

C: 70m ² / g to 130m inorganic or metal material having a specific surface area of ² / g

D: functional ingredient

The physical property evaluation results of the cosmetic compositions of Examples 1-3 and Comparative Examples 1-3 are shown in the following table.

Raw material Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Powder ○ ○ ○ ○ × △ Stability over time ○ ○ ○ △ △ × Impact strength ○ ○ ○ ○ × × Liquefaction ○ ○ ○ △ × ×

According to the above, in the case of Example 1-3 showed the excellent physical properties results compared to the comparative example. In Comparative Example 1, when the degree of aging of the functional component decreases, the liquefaction is deteriorated. In Comparative Example 2, the powder was not properly powdered, and the liquefaction was not easy. In Comparative Example 3, although the powder was formed, the liquefaction was not easy, and the stability over time and the impact strength resistance were lowered.

Evaluation results of the moisturizing properties of the cosmetic composition of Example 1-3 and Comparative Example 1-3 are as follows.

division                                          No coating Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 W.H.C (%) Immediately after application 32.72 31.55 35.42 33.27 37.18 33.38 35.17 1 hour later 28.95 32.35 37.82 37.52 34.08 30.38 31.57 △ W.H.C                                          -3.77 0.80 2.40 4.25 -3.10 -3.00 -3.60 △ W.H.C compared to no coating                                          - 5.57 7.17 3.85 0.67 0.77 0.17

Example 1-3 shows excellent water retention compared to Comparative Examples 1 to 3

As described above, the present invention stabilizes functional ingredients that are easily destroyed by oxidation by heat, light, moisture, air, etc. by appropriately blending a cosmetic active ingredient and a functional ingredient to maintain the powder in water in a powder state in a good state. When used while, that is, even when rubbed by hand, it dissolves in the liquid phase without destroying the functional ingredient, maximizing the function of each functional ingredient, and at the same time, it contains a large amount of moisture and moisturizing ingredients, and is applied as a cosmetic composition to increase moisture moisturizing power. To present.

Claims (5)

(A) a hydrophilic liquid carrier containing from 0.01 to 20% by weight of a C _{2 to} C ₆ lower monoalcohol or polyol; (B) 0.01 to 10% by weight of a gelling agent; And (C) 70m ² / g to 130m ² / g inorganic or metal material having a specific surface area of 0.01 To 20% by weight, wherein the hydrophilic liquid carrier is pure water or a hydrosol, and the pure water or hydrosol component is a functional water powder cosmetic, characterized in that the remaining amount is made by subtracting the sum of all components of the other phase from 100 Composition. The method according to claim 1, wherein the C ₂ ~ C ₆ lower monoalcohol or polyol is glycerin, diglycerin, triglycerine, glycerol, butylene glycol, isoprene glycol, propylene glycol, diisopropylene glycol, 1,3-butylene glycol And hexylene glycol powder functional composition of the functional water, characterized in that one or two or more selected from the group consisting of. The method of claim 1 wherein the gelling agent is a carboxylic acid polymer, crosslinked polyacrylate polymer, polyacrylamide polymer, polysaccharide, crosslinked vinyl ether / maleic anhydride copolymer and crosslinked poly (N-vinylpyrrolidone) Powder cosmetic composition is a functional water, characterized in that one or two or more selected from the group consisting of. The method of claim 1, wherein the inorganic or metal material having a specific surface area of 70m ² / g to 130m ² / g is silica, titanium dioxide, zirconium dioxide, cerium dioxide, zinc oxide, iron oxide, chromium oxide, nano Powder cosmetic composition is a functional water, characterized in that one or two or more selected from the group consisting of titanium, nano zinc and ferric blue. The powder cosmetic composition according to claim 1, wherein the powder cosmetic composition is a functional water is flavonoid, chlorophyllin, ethoxyquiin, guanosine, tocopherol, ascorbic acid, ascorbyl palmitate, β-carotene, vitamin E, vitamin C and vitamin A Powder cosmetic composition is a functional water, characterized in that it further comprises one or two or more functional ingredients selected from the group consisting of.