Cosmetic composition excellent in whitening and antioxidant effects and method for producing the cosmetic composition

Abstract

To provide a cosmetic composition with excellent whitening and antioxidant effects and with excellent feeling on use, considering the background that, with the enhancement of beauty consciousness, there is demand for cosmetic compositions excelling in both whitening and antioxidant effects and texture.SOLUTION: A cosmetic composition characterized by containing L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium metabisulfite.SELECTED DRAWING: None

Description

Technical Field

[0001] The present invention relates to a cosmetic composition having excellent whitening and antioxidant effects, and particularly to a cosmetic composition having excellent usability.

Background Art

[0002] With the improvement of beauty consciousness, cosmetics having excellent whitening and antioxidant effects are in demand. As cosmetics having whitening and antioxidant effects, the skin external composition of Patent Document 1 is known.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, the skin external composition of Patent Document 1 has effects as whitening, anti-wrinkle, and anti-aging, but does not particularly mention the improvement of texture when used.

[0005] The present invention has been made in view of such problems in the conventional invention, and an object of the present invention is to provide a cosmetic composition having excellent whitening and antioxidant effects and excellent usability.

Means for Solving the Problems

[0006] To achieve the above object, the present invention has at least the following configurations or executes the following procedures.

[0007] The cosmetic composition of the present invention is characterized by containing L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite. With such a configuration, it is possible to provide a cosmetic composition excellent in whitening and antioxidant effects and having excellent usability.

[0008] Also preferably, the L-carnitine is 0.5 to 3.0 parts by weight, the propylene glycol is 150 to 350 parts by weight, the glycerin is 100 to 300 parts by weight, the purified water is 300 to 500 parts by weight, the N-acetylglucosamine is 30 to 90 parts by weight, the L-ascorbic acid is 100 to 260 parts by weight, and the sodium pyrosulfite is 1.0 to 5.0 parts by weight. With such a configuration, it is possible to provide a cosmetic composition more excellent in whitening and antioxidant effects and having excellent usability.

[0009] Furthermore, the method for producing the cosmetic composition of the present invention is a method for producing a cosmetic composition containing L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite, and includes a first step of mixing the glycerin with the propylene glycol, a second step of mixing a liquid obtained by adding and mixing the purified water to the L-carnitine into the liquid produced in the first step, a third step of mixing a liquid obtained by adding and mixing purified water to the sodium pyrosulfite into the liquid produced in the second step, and a fourth step of mixing the L-ascorbic acid into the liquid produced in the third step. With such a configuration, it is possible to stably produce a cosmetic composition excellent in whitening and antioxidant effects and having excellent usability.

[0010] Also preferably, in the first to fourth steps, the production is carried out in a container placed in a warm bath and at a temperature of 38 degrees or lower. With such a configuration, it is possible to more stably produce a cosmetic composition excellent in whitening and antioxidant effects and having excellent usability.

Effects of the Invention

[0011] As described above, according to the present invention, it is possible to provide a cosmetic composition having excellent whitening and antioxidant effects and excellent usability.

Mode for Carrying Out the Invention

[0012] Hereinafter, each embodiment of the present invention will be specifically described. It should be noted that the embodiments described below are merely specific examples for carrying out the present invention and do not limit the present invention in an interpretive manner.

[0013] The present invention contains L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite. Further, the content of L-carnitine is preferably in the range of 0.5 to 3.0 parts by weight, propylene glycol is 150 to 350 parts by weight, glycerin is 100 to 300 parts by weight, purified water is 300 to 500 parts by weight, N-acetylglucosamine is 30 to 90 parts by weight, L-ascorbic acid is 100 to 260 parts by weight, and sodium pyrosulfite is 1.0 to 5.0 parts by weight.

[0014] In the present invention, by containing L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite, due to the synergistic effect, the effect is dramatically improved, and a cosmetic composition having excellent whitening and antioxidant effects and excellent usability is obtained.

[0015] In addition, if necessary, ethanol, fragrances, etc. may be contained.

[0016] Further, since the present invention is in the form of a lotion, it is directly used on the skin, but it may also be used by infiltrating it into a pack or the like.

[0017] <Manufacturing Method> Next, a method for manufacturing the cosmetic composition of the present invention will be described. In the first step, glycerin is mixed with propylene glycol and stirred to dissolve the glycerin. In the second step, purified water is mixed with L-carnitine to dissolve L-carnitine, and the resulting liquid is mixed into the liquid produced in the first step. In the third step, purified water is added to sodium pyrosulfite, and the resulting mixed and stirred liquid is mixed into the liquid produced in the second step. In the fourth step, L-ascorbic acid is mixed and stirred into the liquid produced in the third step to produce the cosmetic composition of the present invention. Mixing by this method is preferable because it can be finished uniformly without leaving any residue. Also, in the first to fourth steps, it is preferable to carry out the production in a container placed in a warm bath and at a temperature of 38 degrees or less. By manufacturing in this way, it is possible to stably produce a cosmetic composition that is excellent in whitening and antioxidant effects and also excellent in usability.

[0018] As the container used in the production, a 2-liter glass beaker is used, but it is not limited to this. Also, if the temperature of the liquid being produced in each step exceeds 38 degrees inside the container, it will deteriorate and affect the effect, so it is carried out so that the temperature is 38 degrees or less. Also, in each step, when stirring to dissolve each sample, it is desirable to do so without causing the mixed solution to foam. Also, when placing the container in a warm bath, that is, hot water around 40 degrees, care should be taken to prevent the hot water from entering the container.

[0019] <Example 1> Using the above manufacturing method, a cosmetic composition was produced using the following samples. L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, sodium L-ascorbate pyrosulfite

[0020] <Example 2> Using the above manufacturing method, a cosmetic composition was produced using the following samples. L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, sodium L-ascorbate pyrosulfite Note that N-acetylglucosamine is used in an amount half that used in Example 1.

[0021] <Comparative Example 1> Using the above production method, cosmetic compositions were produced using the following samples. L-carnitine, propylene glycol, glycerin, purified water, sodium pyrosulfite L-ascorbate

[0022] Examples 1 and 2 and Comparative Example 1 were evaluated by the following method. The difference from Examples 1 and 2 and Comparative Example 1 is that the weight of N-acetylglucosamine is different. Sixteen women in their 20s to 60s were actually asked to use the cosmetic compositions of Examples 1 and 2 and Comparative Example 1, and the texture was evaluated on a 5-point scale. When the average score of the 16 people was 4 or more, it was evaluated as ○, when the average score was 3 to 4, it was evaluated as Δ, and when the average score was 3 or less, it was evaluated as ×. Hereinafter, the experimental results of the examples and comparative examples are shown in Table 1.

[0023] TIFF2025112441000001.tif156166

[0024] As can be seen from Table 1 above, it can be seen that the cosmetic composition according to the present invention is excellent in the texture sensory test. In addition, when the cosmetic compositions of Examples 1 and 2 were used, skin beautifying and whitening effects were confirmed.

Industrial Applicability

[0025] The cosmetic composition according to the present invention is excellent in whitening and antioxidant effects and has an excellent feeling in use, and is therefore useful.

Claims

1. A cosmetic composition comprising L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite.

2. The cosmetic composition according to Claim 1, wherein the L-carnitine is 0.5 to 3.0 parts by weight, the propylene glycol is 150 to 350 parts by weight, the glycerin is 100 to 300 parts by weight, the purified water is 300 to 500 parts by weight, the N-acetylglucosamine is 30 to 90 parts by weight, the L-ascorbic acid is 100 to 260 parts by weight, and the sodium pyrosulfite is 1.0 to 5.0 parts by weight.

3. A method for producing a cosmetic composition comprising L-carnitine, propylene glycol, glycerin, purified water, N-acetylglucosamine, L-ascorbic acid, and sodium pyrosulfite, comprising: a first step of mixing the glycerin with the propylene glycol; a second step of mixing a liquid obtained by adding and mixing the purified water to the L-carnitine into the liquid produced in the first step; a third step of mixing a liquid obtained by adding and mixing purified water to the sodium pyrosulfite into the liquid produced in the second step; and a fourth step of mixing the L-ascorbic acid into the liquid produced in the third step.

4. The method for producing a cosmetic composition according to Claim 3, wherein, in the first to fourth steps, the production is carried out in a container placed in a warm bath at a temperature of 38 degrees or lower.