KR20070071574A - Washable cleansing cosmetic composition containing silica powder - Google Patents

Abstract

Provided is a washable cleansing composition which is able to correctly inform a user of time for washing face after being applied to face by changing the color to be whitened from the transparent state and not cause any skin irritation. In the washable cleansing cosmetic composition comprising a water-soluble composition as an aqueous phase portion and an oil composition as an oil phase portion, the water-soluble composition comprises 1-50 wt.% of silica powder having the particle size of 6-9 micrometers and the purity of at least 98%, 0.1-5 wt.% of a water-soluble polymer such as carboxymethylcellulosesodium, carageenan, and xanthan gum, 1-40 wt.% of a moisturizer such as glycerin, an aqueous solution of sorbitol, polyethyleneglycol, propyleneglycol, and dipropyleneglycol, and the remaining amount of water.

Description

Washable cleansing cosmetic composition containing silica powder {WASHABLE CLEANSING COSMETIC COMPOSITION CONTAINING SILICA POWDER}

The present invention relates to a washable cleansing cosmetic composition containing a water-dispersible silica powder, and more particularly, to a washable cleansing cosmetic composition that can tell the user the time to wash the user's face by discoloring from transparent to white after applying the face. .

Cleansing cosmetics is one of the cosmetics that has been used for a long time. It helps to keep the skin healthy and beautiful through moisturizing action that keeps skin moisturized, cleansing action that absorbs and removes skin contamination, and promotes blood circulation. These cleansing cosmetics are mainly used in the form of packs, and the pack products can be used not only for the face but also for the body, neck, shoulders, arms, legs, etc., and for the whole body. There may be a peel off type, a cream phase, a clay phase, a jelly phase, an aerosol tissue off or wash off type (washable cleansing type), a peeling type after solidification, a nonwoven fabric gel, and a nonwoven fabric impregnated coating type. Because they have advantages and disadvantages, researchers who prescribe products need to choose the right type of formulation for their various consumer preferences.

The conventional washable cleansing cosmetics have been examined in various ways.

Korean Patent Publication No. 1993-0009601 discloses a cleansing cosmetic based on an ionic surfactant, a lipophilic nonionic surfactant having an HLB value of 10 or less, an oil component and a solubilized state composition obtained from water. Korean Patent Publication No. 2002-0006608 discloses a cleansing composition containing a hydrophobic silica and at least one oxyalkylenated compound. Korean Patent Laid-Open Publication No. 2005-0035694 discloses a face-washing cosmetic composition containing sorbitan oleate, which is an emulsifier derived from olive oil, and having an excellent phase stability of the face-washing cosmetic.

Although the above methods can improve the cleansing effect and the phase stability with respect to temperature, there is a lack of research that accurately informs such a cleansing time due to the inconvenience of when the cosmetic should be washed off after application of the face.

In order to solve the problems of the prior art as described above, an object of the present invention is a washable cleansing cosmetic composition to accurately inform the user of the time to wash the face by discoloring the color from transparent to white after applying the face using water-dispersible silica powder It is to provide.

In order to achieve the above object, the present invention is a washable cleansing cosmetic composition comprising a water-soluble composition that is an aqueous phase and an oil composition that is an oil phase,

The water-soluble composition provides a washable cleansing cosmetic composition comprising 1 to 50% by weight of silica powder, 0.1 to 5.0% by weight of a water-soluble polymer that is a formulation stabilizer, 1 to 40% by weight of a moisturizer and a balance of water.

Hereinafter, the present invention will be described in more detail.

The present invention relates to a washable cleansing cosmetic composition using a water dispersible silica powder, so that the cosmetics can be changed from transparent to white to accurately inform the user of the time of washing. Therefore, the present invention is characterized by the use of silica as the cosmetic is changed from transparent to white, and relates to a new use of conventional silica.

The washable cleansing cosmetic composition of the present invention includes a water-soluble composition that is an aqueous phase and an oil composition that is an oil phase, wherein the present invention is characterized by using a water-dispersible silica powder in a water-soluble composition and using a water-soluble polymer as a formulation stabilizer.

The silica powder is used to determine the cleansing time accurately by the user after the face is applied, the cosmetic is changed from transparent to white. The silica powder usable in the present invention is not limited as long as it is a silica powder commonly used in the art. Specifically, water-dispersible silica powder is preferable, and porous spherical silica having an average particle size of approximately 6 to 9 micrometers and a purity of at least 98% or more can be used. Specifically, trade names Sunsil 130 (Advanced Chemical), SILICA 73K, 43K, and the like may be used, but other silica powders may be used in addition to the above-mentioned silica powders.

The amount of the silica powder is used in 1 to 50% by weight, preferably 10 to 40% by weight based on the total weight, when the content is less than 1% by weight it is difficult to determine the end of the transition from transparent to white, 50 When used in excess of weight% cosmetics are cracked and has a drawback of very severe skin pulling.

The water-soluble polymer serves to prevent the separation of the silica powder and the liquid component, any cream-soluble cleansing cosmetics according to the present invention can be used as long as it is a conventional water-soluble polymers and is not particularly limited. Preferably, the water-soluble polymers include sodium carboxymethyl cellulose derived from cellulose, carrageenan extracted from seaweed, and xanthan gum obtained from metabolism of microorganisms. The amount of the water-soluble polymer may be included in an amount of 0.1 to 5% by weight, preferably 0.3 to 3% by weight based on the total weight of the total water-soluble composition, and when the content is less than 0.3% by weight, the powder is precipitated and separated. If it exceeds 3% by weight, the viscosity becomes considerably high, making it impossible to manufacture.

The moisturizer is used to prevent skin drying and may be included in an amount of 1 to 40% by weight, preferably 10 to 30% by weight, based on the total weight of the total water-soluble composition. If the amount of the moisturizing agent is less than 1% by weight, the cosmetics immediately before washing the face are cracked and the skin is very severe, and when used in excess of 40% by weight, there is a disadvantage that there is no appearance change before and after application. As the moisturizer, one or more selected from the group consisting of glycerin, aqueous solution of glycerin sorbitol (70%), polyethylene glycols, dipropylene glycol, and propylene glycol can be used.

The water contained in the residual amount in the water-soluble composition of the present invention may use ion-exchanged water or ordinary purified water.

In the cleansing cream cosmetic composition of the present invention, the water-soluble composition may further comprise 0.1 to 20.0% by weight of the additives selected from the group consisting of metal encapsulant, plant extract, pigment, and sunscreen based on the total weight of the water-soluble composition. Can be. The type of the additive is not particularly limited, and may be selected and used from components well known in the art.

In addition, in the washable cleansing cosmetic composition of the present invention, the component of the oil composition which is the oil phase is not particularly limited, and components well known in the art can be used. In the present invention, preferred examples of the oil composition which is the oil phase include 0.1 to 20% by weight of an oil selected from the group consisting of silicone oils, fats and oils, hydrocarbons, triglycerides, and esters; Silicone oils include cyclomethicone, dimethicone, dimethyl polysiloxane, octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane, fats and oils, castor oil, olive oil, avocado oil, hydrocarbons, squalane, triglycerides, Prilylic / capric triglycerides and esters include triethylhexanoin and neopentyl glycol dicaprate, but the above materials are only examples and are not limited to the above.

0.1 to 5.0% by weight of at least one foaming agent selected from the group consisting of anionic surfactants, and nonionic surfactants; And an oil composition containing 0.05 to 20.0 wt% of at least one additive selected from the group consisting of preservatives, flavors, pigments, and plant extracts, based on the weight of the total cleansing cosmetic composition.

The foaming agent enhances the feeling of use of the product, aids in the cleaning action, and reduces the interfacial tension to easily remove foreign substances in the face. As the foaming agent, sodium lauryl sulfate, which is an anionic surfactant, is mainly used.A copolymer of polyoxyethylene polyoxypropylene (poloxamer), which is a nonionic surfactant, is polyoxyethylene-cured castor oil, and polyoxy. Ethylene sorbitan fatty acid ester and the like can be used.

The preservative may help to prolong the preservation by preventing pollution to microorganisms, and parabens are representative. In addition, the type of fragrance, pigments, plant extracts, etc. are not particularly limited among the additives, and ordinary ones may be selected and used.

Such washable cleansing cosmetic composition of the present invention may be used in the form of a pack such as a mask pack. The pack product can be used not only for the face but also for the body, neck, shoulders, arms, legs, etc., and can also be used for the whole body, and its shape is also various, such as jelly, paste, powder, peel-off type, cream, clay, and jelly. It can be aerosol tissue off or wash off type (washable cleansing type), peeling type after solidification, nonwoven fabric gel, nonwoven fabric impregnated coating type.

Hereinafter, the present invention will be described in more detail with reference to Examples, but these Examples are only for illustrating the present invention, and the scope of the present invention is not limited by the following Examples.

Example  1 to 4 and Comparative example  1 to 3

Next, the cleansing cosmetic composition of Examples 1 to 4 and Comparative Examples 1 to 6 was prepared using the composition and content of Table 1. That is, after dissolving carboxymethyl cellulose sodium, carrageenan and xanthan gum, which are water-soluble polymers, at room temperature for 30 minutes, water-dispersible silica powder was dispersed for 20 minutes in a vacuum state, and an ethanol phase was added thereto to prepare a washable cleansing cosmetic composition. In Table 1, unit: parts by weight)

TABLE 1

Raw material name Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Aqueous ingredients Purified water To 100 To 100 To 100 To 100 To 100 To 100 To 100 To 100 Carboxymethylcellulose Sodium 1.0 1.0 1.0 1.0 - 1.0 1.0 1.0 Xanthan Gum 1.0 1.0 1.0 1.0 - 1.0 1.0 1.0 Silica ^a) 1.0 10.0 40.0 50.0 40 - 40 40 glycerin 10.0 10.0 10.0 10.0 10.0 10.0 - 25 Dipropylene glycol 10.0 10.0 10.0 10.0 10.0 10.0 - 25 Metal rod Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity extract Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity Pigment Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity Sunscreen Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity Oily ingredients ethanol 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 Polyoxyethylene Cured Castor Oil 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Polyoxyethylene Cholestearyl Ether 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Spices Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity antiseptic Quantity Quantity Quantity Quantity Quantity Quantity Quantity Quantity

Note) In Table 1, a) is a porous silica powder with a particle size of 6 ~ 9 microns (trade name: Sunsil 130, Sunjin Chemical, Korea)

Experimental Example

The sensory evaluation and drying time were measured for the Examples and Comparative Examples.

1) Sensory evaluation

The prepared washable cleansing cosmetic composition was subjected to sensory evaluation for appearance change after application of the skin, ease of cleansing time, no irritation upon cleansing, and easy removal of foreign substances upon cleansing.

After 50 women in their 20s and 40s were placed in a constant temperature and humidity room (27 ° C., 70% relative humidity condition) for about 15 minutes, the prepared washable cleansing cosmetic composition was equally (0.02 mm thick) to the same area of the arm of the panels. ) And the cosmetic was removed after a certain time. The color before and after application is shown in Table 2 below. In addition, by the sensory evaluation of the degree of cleansing time, no irritation at the time of washing, the ease of removing foreign substances at the time of washing, sensory evaluation of the satisfaction of 1 to 5, respectively, to obtain the average value, the results are shown in Table 2 below.

TABLE 2

Sample Name Appearance when applying Appearance after drying Easy to clean face No irritation at cleansing Easy to remove foreign substances when washing face Example 1 transparent White translucent One 4 4 Example 2 transparent White 4 4 4 Example 3 transparent White 5 4 4 Example 4 transparent White 5 3 2 Comparative Example 1 * * * * * Comparative Example 2 transparent transparent 0 5 3 Comparative Example 3 transparent White One 2 3 Comparative Example 4 transparent transparent One 4 4

Note) * The formulation is separated and cannot be measured.

As can be seen from the results of Table 2, as a result of performing the sensory evaluation, when the silica powder does not contain or there are a lot of moisturizers, it can be confirmed that there is no difference in appearance at the time of application and just before washing, so that the correct washing time cannot be known.

2) Drying time measurement

A moisture analyzer (Moisture Analyzer, Satorius Model MA50) was used to measure the cleansing time (total time from colorless to white opaque). First, 2 g of the sample was precisely weighed and uniformly coated on an aluminum plate, the weight change was measured while evaporating moisture at 40 ° C., and the drying time was determined based on the time when there was no further weight change (drying). Table 3 shows the average values of ten samples.

TABLE 3

Sample Name Drying time (minutes) Example 1 12.6 Example 2 11.5 Example 3 9.2 Example 4 6.5 Comparative Example 1 ** Comparative Example 2 *** Comparative Example 3 8.2 Comparative Example 6 12.2 Comparative Example 6 ***

Note) ** It is impossible to measure because the formulation is separated.

As can be seen from the results of Table 3, it can be seen that the change in appearance is faster as the silica powder content is increased.

The washable cleansing cosmetic composition of the present invention may include a silica powder in at least one or more water-soluble polymers to accurately determine the time (wash off type mask) for washing a user by discoloring the face from transparent to white.

Claims (7)

A washable cleansing cosmetic composition comprising a water-soluble composition that is an aqueous phase and an oil composition that is an oil phase, Washable cleansing cosmetic composition wherein the water-soluble composition comprises 1 to 50% by weight of silica powder, 0.1 to 5% by weight of a water-soluble polymer that is a formulation stabilizer, 1 to 40% by weight of a moisturizer and the balance of water. The washable cleansing cosmetic composition of claim 1, wherein the silica powder is porous water dispersible silica having a particle size of 6 to 9 µm and a purity of at least 98%. The washable cleansing cosmetic composition of claim 1, wherein the water-soluble polymer is one or more selected from the group consisting of sodium carboxymethylcellulose, carrageenan and xanthan gum. The washable cleansing cosmetic composition of claim 1, wherein the moisturizing agent is selected from the group consisting of glycerin, aqueous sorbitol solution (70%), polyethylene glycols, propylene glycol, and dipropylene glycol. The washable cleansing composition of claim 1, wherein the water-soluble composition further comprises 0.1 to 20.0 wt% of at least one additive selected from the group consisting of metal encapsulant, plant extract, pigment, and sunscreen based on the total weight of the water-soluble composition. Cosmetic composition. The oil composition of claim 1, wherein the oil composition is composed of silicone oil, fats and oils, hydrocarbons, triglycerides, and esters. 0.1 to 20% by weight of an oil component selected from the group; 0.10 to 5.0% by weight of at least one foaming agent selected from the group consisting of anionic surfactants and nonionic surfactants; And 0.05 to 20.0 wt% of an additive selected from the group consisting of preservatives, fragrances, pigments, and plant extracts, and comprising 0.1 to 20.0 wt% based on the weight of the cleansing cosmetic composition. 7. The foaming agent of claim 6, wherein the foaming agent is selected from the group consisting of sodium lauryl sulfate, copolymers of polyoxyethylene polyoxypropylene (poloxamer), polyoxyethylene hardened castor oil, and polyoxyethylene sorbitan fatty acid esters. Washable cleansing cosmetic composition will be.