KR100443398B1 - Production of stick typed cosmetic pack which is convenient to use and has excellent stability and low skin irritation by mixing purified water, humectants, film-forming agents, oil, emulsifiers, alcohol and waxes in predetermined ratio while dispersing film-forming agent in water-in-oil emulsion - Google Patents

Abstract

PURPOSE: A method for making a stick typed cosmetic pack by mixing purified water, humectants, film-forming agents, oil, emulsifiers, alcohol and waxes in a predetermined ratio while dispersing the film-forming agent in a water-in-oil emulsion is provided. The stick typed cosmetic pack is convenient to use and has excellent stability and low skin irritation while maintaining the ability of removing sebum or scars. CONSTITUTION: The stick typed cosmetic pack comprises: 1 to 5% by weight of purified water; 0.5 to 15.0% by weight of a humectant; 1 to 15% by weight of a film forming agent; 4 to 15% by weight of oil, 0.3 to 5% by weight of an emulsifier; 1 to 15% by weight of alcohol; 10 to 40% by weight of wax selected from carnauba wax, candelilla, bee wax, lanolin, paraffin, ceresin, microcrystalline wax, C10-22 alcohol, fatty acid and fatty acid ester; and additionally at least one selected from antioxidants, ultraviolet screening agents, preservatives, fragrances, pigments, animal and vegetable extracts.

Description

Stick-type pack cosmetics and preparation method thereof

The present invention relates to a stick pack cosmetics and a method for producing the same. More specifically, the present invention contains purified water, a moisturizer, a coating agent, an oil, an emulsifier, an alcohol, and a wax in a constant content ratio, and is manufactured by using a technique for dispersing the coating agent in an oil-in-water emulsion, to ease the use, reduce skin irritation, and It relates to a stick-type pack cosmetics and a method for producing the same, which significantly improves the drying speed and storage stability.

Pack cosmetics have been developed mainly for skin contamination and sebum removal, and are generally classified into two types, a wash-off type and a peel-off type. Wash-off packs have superior moisturizing and softening effects after use of packs compared to peel-off packs, and have excellent effects due to active ingredients during use, but have to be washed off due to the nature of the formulation. In comparison, peel-off packs are less effective due to active ingredients during use, and there is a problem of skin irritation due to the strong adsorption force of the coating agent. It also has the convenience of removing the film by removing it. On the other hand, both of these formulations have a discomfort in use that must be spread with a finger one by one, this discomfort still exists even when used in a limited area, such as a part of the face. However, despite these inconveniences, these pack cosmetics are preferred over other cosmetics because they are effective in removing skin contamination and effective moisturizers, such as moisturizing expected at the time of treatment, and have many other advantages. It is becoming.

In general, the stick cosmetics refers to lipstick in the cosmetics industry, which mainly serves to express the visual beauty of the lips, and serves to protect the lips and to maintain moisture (Korean Patent Publication No. 90-4085). Sticks other than lipsticks may be used for the purpose of limitation (sweat and deodorization; US Pat. No. 4617185) or aroma, which are not all used for facial skin. A common advantage of the stick type is that it is very easy to use, so the potential value of the product is very high. However, it is not easy to manufacture a stick-type product for a desired use because of a technical problem that the stick-type is difficult to maintain the formulation, and therefore the method or purpose of use thereof is not varied and is extremely limited.

Therefore, the present inventors have been pursuing the research to improve the discomfort of applying the finger every day while maintaining the excellent properties of the pack as described above, that is, skin contamination and sebum removal ability, purified water, moisturizer, film, oil, emulsifier, The present invention has been accomplished by discovering that the purpose of preparing a stick-type pack composition using a technique of containing alcohol and wax in a constant content ratio and dispersing the coating agent in an oil-in-water emulsion can accomplish this purpose. In particular, the pack cosmetics according to the present invention is a stick-shaped, very easy to use, but excellent in skin decontamination and sebum removal ability of the characteristics of the pack, especially if the operator wants to use on a part of the face is more convenient It stands out. Moreover, since it is manufactured in the peel-off type which is easy to remove, it can be said that the convenience is further improved. Hereinafter, the configuration of the present invention will be described in detail.

The present invention is 1 to 15% by weight of purified water, 0.5 to 15.0% by moisturizer, 1 to 15% by weight of coating agent, 4 to 15% by weight of oil, 0.3 to 5.0% by weight of emulsifier, 1 to l5% by weight of alcohol and 10 to 40% by weight of wax. It relates to stick-type pack cosmetics containing%.

In the stick pack cosmetics according to the present invention, the moisturizing agent is selected from 1,3-butylene glycol, glycerin, glycerin G-26, polyethylene glycol (300, 400, 1500, 4000), propylene glycol, sorbitol and maltitol More than one species can be used; As the coating agent, one or more selected from polyvinyl alcohol, polyvinylpyrrolidone, and polyacrylic acid / polyacrylonitrogen copolymer having excellent film strength and fast drying speed may be used; As the oil, oils which are liquid at room temperature such as liquid paraffin, octyldodecanol, triisooctanoate or squalane can be used; As the emulsifier, one or more selected from sorbitassesquioleate, stearate-PEG8 and polysorbate 60 can be used; Ethanol is used as the alcohol; As the wax, one or more selected from canova, candelina, beeswax, lanolin, paraffin, ceresin, microcrystalline wax, C ₁₀ -C ₂₂ alcohol, fatty acid and fatty acid ester having a crystalline structure at room temperature can be used. . Among these, wax is particularly important because it plays an essential role in the manufacture of the pack cosmetic composition according to the present invention in the form of a stick together with the quenching process. In addition, optionally, at least one selected from antioxidants, sunscreens, preservatives, flavorings, pigments, and animal and vegetable extracts may be added to exhibit product stability, product quality, or desired effect.

Stick-type pack cosmetics according to the present invention having the composition as described above is prepared in a form in which the coating agent is dispersed in an oil-in-water emulsion. Specifically, the manufacturing method of the present invention will be described.

First, a moisturizer is added to purified water, mixed, and the coating agent is dispersed while heating to prepare an aqueous phase.The oil phase composed of oil, wax and emulsifier is heated and mixed, and then added to the aqueous phase to emulsify, and alcohol is added to the aqueous phase or emulsion. It is characterized by quenching to prepare a stick-type pack cosmetics according to the present invention. At this time, heating is carried out at a temperature of about 60 ° C. and additional additives such as fragrances and oil solubilizers are generally added to the emulsion at a temperature of 60 ° C. or lower.

Schematic representation of the manufacturing process of the stick-type pack cosmetics according to the present invention is as follows.

Hereinafter, the present invention will be described in more detail based on the following Examples and Experimental Examples. However, these examples are only intended to help explain the present invention, but the scope of the present invention in any sense is not limited to these examples.

Examples 1-4 and Comparative Examples 1-2

According to the composition as shown in Table 1 was prepared according to the pack cosmetic composition of Examples 1 to 4 and the composition of the comparative example, in particular the cosmetic composition prepared according to Examples 1 to 4 molding at a high temperature of 60 ℃ or more It was poured into quenched and prepared into a stick shape.

TABLE 1

The prepared stick-type cosmetic composition of the Examples 1 to 4 and the composition of the Comparative Example were evaluated for stability, exfoliation effect and drying rate, and skin irritation, respectively, according to the method described in the following Experimental Examples.

Experimental Example 1: Evaluation of Stability

In order to evaluate the stability of the pack cosmetic composition prepared according to Examples 1 to 4, the phase separation and sweating of the oil and wax after 3 months at the temperature conditions shown in Table 2 after the preparation and the bleeding of the wax was visually observed. The results are shown in Table 2 below.

TABLE 2

Stability evaluation

As can be seen from the results in Table 2, the stick-type pack cosmetics of the examples according to the present invention were found to be stable at a fairly wide range of temperatures.

Experimental Example 2: Exfoliation and Drying Speed

Cover make-up of 0.03 g was applied to the area of 4 x 4 cm 2 of the inner region of the arm of 20 test subjects, and each pack cosmetic composition was applied in an amount of 3 g and dried for 10 minutes. Subsequently, the dry matter was measured by a colorimeter (Chromameter, CR300, Minolta) to evaluate the exfoliation effect, wherein the larger the measured value is evaluated to be excellent exfoliation effect.

On the other hand, the drying rate was maintained at a humidity of 70% and a temperature of 36.5 ℃ using ESPEC's constant temperature and humidity chamber (TEMP & HUMID CHAMBER SH-220), then spread the 3g pack cosmetic composition on the chaile dish and reduce the drying loss over time. It evaluated by measuring.

TABLE 3

Exfoliation and Loss on Drying

From the results of Table 3, it can be seen that the pack cosmetics of the Example is relatively faster drying rate than the pack cosmetics of the comparative example, but the exfoliation effect is somewhat inferior.

Experimental Example 3: Skin irritation evaluation

Sensory evaluation was performed on 30 subjects for skin irritation of the cosmetics prepared according to Examples 1 to 4 and Comparative Examples 1 and 2, and the average of the obtained scores is shown in Table 4 below. At this time, the larger the skin irritation, the closer to 10 points are obtained.

TABLE 4

Skin irritation evaluation

Comparing the numerical values of Table 4, the pack cosmetic composition of the Example has a significantly lower score than the pack cosmetic of the comparative example, it can be seen that the pack cosmetic composition according to the present invention is significantly low skin irritation.

As described above, the stick-type pack cosmetics according to the present invention is excellent in stability and remarkably low skin irritation while maintaining the sebum and skin contamination removal ability, which is an advantage of the existing pack, and is also very easy to use because it is manufactured in a stick type Effect is achieved.

Claims (8)

1 to 15% by weight purified water, 0.5 to 15.0% by moisturizer; 1 to 15% by weight of coating agent; Oil 4-15 weight percent; 0.3 to 5% by weight emulsifier; 1 to 15% alcohol; And stick forms of 10 to 40% by weight of a wax selected from canova, candelina, beeswax, lanolin, paraffin, ceresin, microcrystalline wax, C ₁₀ -C ₂₂ alcohol, fatty acids and fatty acid esters. Pack cosmetics. The pack cosmetic according to claim 1, wherein the moisturizing agent is selected from 1,3-butylene glycol, glycerin, glycerin G-26, polyethylene glycol (300, 400, 1500, 4000), propylene glycol, sorbitol and maltitol. The pack cosmetic of claim 1 wherein the coating agent is selected from polyvinyl alcohol, polyvinylpyrrolidone and polyacrylic acid / polyacrylonitrigen copolymers. The pack cosmetic of claim 1 wherein the oil is selected from liquid paraffin, octyldodecanol, triisooctanoate and squalane. The pack cosmetic of Claim 1 wherein the emulsifier is selected from sorbitassesquioleate, stearate-PEG8 and polysorbate 60. The pack cosmetic according to claim 1, wherein the alcohol is ethanol. The pack cosmetic of Claim 1 which contains 1 or more types further chosen from antioxidant, sunscreen, preservative, fragrance | flavor, pigment | dye, and the flora and fauna extract. A water phase is prepared by adding and mixing a moisturizing agent with purified water and dispersing the coating agent while heating, preparing an emulsion by heating and mixing an oil phase composed of oil, wax and emulsifier, and then adding the oil phase to an aqueous phase to emulsify the alcohol. Quenching after addition, wherein the wax is selected from canova, candelina, beeswax, lanolin, paraffin, ceresin, microcrystalline wax, C ₁₀ -C ₂₂ alcohols, fatty acids and fatty acid esters A pack cosmetic composition having a stick form as defined in the paragraph.