JPS6013709A - Novel additive for cosmetic - Google Patents

Abstract

PURPOSE:An additive for cosmetic capable of being blending with cosmetic and having ultraviolet light screening ability without causing anthema, stain, etc. resulting from irritation to the skin and without spoiling cosmetic effect such as transparency, the touch, feeling, etc., consisting of a extract from Algar. CONSTITUTION:1mg%-1% algae extract containing mainly chlorophyll,carotenoid, and phycobillin obtained by extracting algae, preferably Anacystis (blue- green algae), Tinorimo (red algae), Coshinodiscs (yellow algae), Exsupiera (orange algae), Nemacystus decipiens (brown algae), Chlorella (green algae), etc. with preferably ethyl alcohol, methyl alcohol, ethyl ether, acetone, ethyl acetate, or methyl acetate is added to cosmetic so it is provided with ulgraviolet light screening ability without causing the above-mentioned troubles to the skin and damage to cosmetic effect.

Description

DETAILED DESCRIPTION OF THE INVENTION Glaze The present invention relates to cosmetic additives, and more particularly to cosmetic additives having ultraviolet shielding ability.

Conventional cosmetic additives with UV-shielding ability include benzophenone, benzotriazole, and ? UV absorbers such as IJ thylic acid esters and cyanoacrylates, free pigments such as methane dioxide, iron oxide, and barium sulfate were included.

However, when using cosmetics containing the above-mentioned UV absorbers, skin rashes may occur due to irritation caused by the UV absorbers themselves or by extremely irritating transient compounds generated by absorbing UV energy. or,
This has caused problems such as stains and the like. In addition, when using cosmetics containing inorganic pigments, they block not only ultraviolet rays but also visible light, and because they are opaque, the color of the inorganic oxide itself is different from the color of the skin, making the makeup look thick and floaty. However, there have been drawbacks such as poor adhesion to the skin and lack of spreadability, and there have been no UV-shielding additives that are practical.

The present inventors have discovered that by adding algae extract as a cosmetic product, it can effectively block ultraviolet rays without causing the above-mentioned adverse effects, and has excellent transparency, soft texture and texture, and sebum. The present invention was completed based on the discovery that it has excellent affinity with the skin, prevents it from lifting from the skin, has excellent press filling properties, and provides long-lasting makeup.

[What is Algae] applied in the present invention? Edited by Takao Yamagishi, "Basics of Plant Systematic Classification" May 1, 1975
Published by Hokuryukan, 5th edition 2nd edition Zukan Co., Ltd., pages 82-134
Refers to the algae described on the page, such as cyanobacteria, red algae,
Refers to algae belonging to the phylum Chlorophyta, Orangephycea, Phaeophyceta, and Chlorophyceta. Among the blue-green algae, algae belonging to the genera Anacystis, Lasemmo, Anabaena, and Nostoc are preferred; among the red-green algae, algae belonging to the genus Chinolimo,
Algae belonging to the genus Amanita and the genus Amanita are preferred;
Among the phylum of yellow algae, algae belonging to the genus Cossinodiscus, genus Skeletonema, genus Ceratophyllum, and genus Polygonum are preferred. In addition, within the phylum Oophyceae, algae belonging to the genera Exbinii and Amphidium; within the phylum Phaeophyceae, algae belonging to the genera Mozuku, Laminaria, Wakame, and Macrocystei; and in the phylum Chlorophyta. Among these, algae belonging to the genus Chlorella, Scenedesmus, and Pigrum are preferable.

In the present invention, methods for obtaining extracts from algae include mechanical methods by crushing and squeezing the algae, and methods for extracting with organic solvents, with the extraction method being preferred. Examples of organic solvents used include alcohols such as alcohol, methyl alcohol, and ethyl alcohol, ethers such as ethyl ether and methyl ethyl ether, ketones such as acetone and methyl ethyl ketone, and esters such as methyl acetate and ethyl acetate. Among these, methyl alcohol, ethyl alcohol, ethyl ether, acetone, methyl acetate, and ethyl acetate are preferred.

In addition, the algae extract as used in the present invention is a substance obtained from algae cells by the above-mentioned extraction method, and its components are not completely clear, but mainly include chlorophyll, carotenoids, and It is known that it contains photosynthetic pigments such as phycopyrin. -For example, Scenedesmus (-
The composition of the extract extracted from ethyl alcohol is 12.5% protein, 3.39% chlorophyll a,
The chlorophyll b content was 1.25%, and the total power content was 76.8%, and the light transmittance by wavelength is shown in Figure 1.

The cosmetics referred to in the present invention are not limited to special occasions and can be applied to any cosmetics. Examples of these cosmetics are:
Basic cosmetics such as emulsions, cold creams, vanishing creams, cleansing creams, foundations, lotions, and packs; hair cosmetics such as pomades, liquid hair products, hair creams, perfume oils, hair products, hair nourishing products, hair sprays, and setting lotions. , whitening powder, solid white powder, lipstick, blusher, eyebrow ink, eyelash cosmetics, eye makeup and finishing cosmetics such as nail polish, fragrance cosmetics such as perfume and cologne, medicated cream, medicated lotion, medicated hair tonic, and There are medicated cosmetics such as hair dyes, among which basic cosmetics and fragrance cosmetics are preferred.

The amount of the algae extract to be added to cosmetics is not particularly specified and may be adjusted as appropriate depending on the purpose of each cosmetic, but generally it is 1% to 10%, preferably 20% to 5%,
More preferably, it is prepared in a range of 3% of 50% plastic.

The cosmetics of the present invention have improved the following problems that were considered to be harmful in conventional ultraviolet absorbing cosmetics.

■ Rashes and spots caused by skin irritation that often occur with cosmetics containing UV absorbers no longer occur.

■ The harmful effects that often occur with cosmetics containing inorganic pigments (such as floating makeup, lack of adhesion to the skin, and lack of spreadability) are eliminated, and the product has a soft texture and texture, and reduces sebum. compatibility has been significantly improved.

The present invention will be specifically explained below using Examples.

Examples 1 to 3 (Preparation of algae extract) 1) Cultivation of algae (1) Prepare Pa5cher medium 1, dispense it into 36 culture flasks, and incubate at 120°C x 15%.
Sterilize by autoclaving for a few minutes, and when the solution reaches room temperature, add A. algae, Chlorococciformes, Conillastidae, Scenedesmus genus, Scenedesmus quadrico.

-da (Senedesmus quadricauda)
) was inoculated indiscriminately. 1t/- of air passes through (2
8±1)℃.

The cells were cultured for 6 days under conditions of 16 o'clock headlight (3000 tux) and 8 hours of darkness. This culture bottle is designated as number one.

(2) Aliquot 3 of Brstol medium IL into a culture flask, sterilize it in the same manner as in (1), and let it cool. Chlorella p
yrenoidosa) was aseptically inoculated and cultured in the same manner as in (1). This culture bottle is designated as NIL 2.

(3) 7 L/ 7-7-noy (AI I en-
Arnon) aliquot 3 of the medium IL into a culture flask,
After sterilization and cooling in the same manner as in (1), inoculate blue-green algae, Nostocales, Nostocidae, Anabaena genus, Anabeana 5 piroicles f aseptically, and 1. and cultured. Let this JVi culture bottle be Nl 3.

2) Extract algae extract and centrifuge the solutions in culture bottles real to N13 (3,
000 rpm x 15 minutes), and the precipitated algal bodies were uniformly suspended in a sufficient amount of absolute ethyl alcohol to completely extract the pigments contained in the algal bodies, and extraction work was performed.

Next, the ethyl alcohol solution was distilled under reduced pressure at room temperature to obtain paste-like algal body extracts of Examples 1 to 3 with a solid content of 30% from culture bottles N [11 to 3, respectively.

Reference Examples 1 to 3 and Comparative Reference Examples 1 to 2 (Preparation and Evaluation of Cosmetics) (1) Cream Preparation Table - The oil phase components shown in IK were heated and mixed at 80°C, and then
Neutral cream bases for testing were prepared by adding purified water, sodium cetyl sulfate, and glopylene glycol solutions prepared in advance little by little, and reference examples 1 to 3 were prepared, respectively.
, and Comparative Reference Examples 1 and 2.

Table 1 (wt%) (2) Evaluation of the cream The above cream was applied in a circular shape with a diameter of 5α to the upper arms of five women, and evaluated using a 5-point mouth test conducted for 3 days in the summer.The results are shown below. Table-2 Evaluation Criteria 5... 5 out of 5 people evaluated it as good.

4...4 out of 5 people rated it as good.

3... 3 out of 5 people rated it as good 2...
1-2 out of 5 people rated it as good.

1...0 out of 5 people rated it as good.

Claims (1)

[Scope of Claims] 1. A cosmetic additive containing an algae extract for the purpose of imparting ultraviolet shielding ability to cosmetics. 2. The algae belong to the phylum Cyanobacteria, the phylum Rhodophyta, the phylum Xanthophyta,
The cosmetic additive according to claim 1, which is an algae belonging to the orange algae division, the phylum Phaeophyta, and the phylum Chlorophyta. 3. The algae are derived from the genus Anacystis, the genus Racembo, the genus Anapena, the genus Nostoc, the genus Chinolimo, the genus Amanori, the genus Amanita, the genus Kosinojisuchus, the genus Skeletonema, the genus Acanthus, the genus Acanthus, the genus Exhiera, the genus Amphidium, the genus Mozuku, and the genus Kelp. 2. The cosmetic additive according to claim 1, which is an algal plant belonging to the genus Wakame, Macrocysteis, Chlorella, Scenedesmus, and Staphylococcus. 4, the algae t-ethyl alcohol, methyl alcohol,
A cosmetic additive according to claim 1, which is extracted with ethyl ether, acentone, It[ethyl and methyl acetate. 5. The cosmetic additive according to claim 1, wherein the additive is mainly chlorophyll, carotenoid, and phycopyrin. 6. The cosmetic additive according to claim 1, wherein the amount of the additive added is 1 to 1%.