A kind of blackhead film and preparation method thereof
A technology for blackheads and polyvinyl alcohol, which is applied in pharmaceutical formulations, cosmetic preparations, cosmetic preparations and other directions, can solve the problems of unsatisfactory blackhead removal effect, unfavorable promotion and application, high production cost, and achieves significant skin care effect and enhanced skin care. The effect of moisturizing ability and low production cost
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Publication Date
- 2017-11-24
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Abstract
Description
technical field
[0001] The invention relates to a cosmetic, in particular to a blackhead mask and a preparation method thereof. Background technique
[0002] "Blackhead" is a kind of distribution of the outer opening of the pores on the surface of the skin, which is manifested as blackhead "hair head"-like yellow to brown-black color spots, which not only seriously affects the appearance of facial skin, but also because it is often accompanied by the appearance of acne, which makes the skin It looks greasy and itchy, which makes people feel very uncomfortable! The main histological components of blackheads are sebum mixture, primary hairy keratinocyte mixture, microbial metabolite fatty acid and dirt and dirt.
[0003] According to the survey of the famous Derma Clinic, 97% of adults have oily noses, 90% of them have blackheads, and 68% have serious blackheads. If cleaning factors are excluded, the proportion of blackheads in men and women is almost the same. Obviously, th...
Examples
Embodiment 1
[0043] Embodiment 1, blackhead film of the present invention and its preparation
[0044] Recipe: 570.5g water, 190g polyvinyl alcohol, 150g ethanol, 20g acrylic acid (ester) copolymer, 5g rehmannia root extract, 5g shegan extract, 6g tea extract, 6g papaya extract, 5g white fungus fruiting body extract , carbon black 30g, triethanolamine 3g, phenoxyethanol 7g and essence 2.5g.
[0045] Preparation: (1) Mix polyvinyl alcohol with 427.9 g of water, heat to 85°C while stirring, until the polyvinyl alcohol is completely dissolved, and stir at a speed of 60 rpm to obtain mixture 1, keep warm for 10 minutes and then cool down;
[0046] (2) When the temperature is lowered to 45°C, add ethanol to the mixture 1, stir and vacuumize, the stirring speed is 60 rpm, the vacuum degree is -0.05Pa.s, stir for 15 minutes and continue to cool down to obtain the mixture 2;
[0047](3) Mix acrylic acid (ester) copolymer and 142.6g water, filter and add to mixture 2, stir for 15 minutes at a stir...
Embodiment 2
[0048] Embodiment 2, blackhead film of the present invention and its preparation
[0049] Recipe: 571.5g of water, 200g of polyvinyl alcohol, 150g of ethanol, 10g of acrylic acid (ester) copolymer, 6g of rehmannia root extract, 7g of Shegan extract, 3g of tea leaf extract, 3g of papaya extract, 7g of white fungus fruiting body extract , carbon black 30g, triethanolamine 5g, phenoxyethanol 5g, essence 2.5g.
[0050] Preparation: (1) Mix polyvinyl alcohol and 428.6 g of water, heat to 90°C while stirring, until the polyvinyl alcohol is completely dissolved, and the stirring speed is 65 rpm to obtain mixture 1, keep it warm for 10 minutes and then cool down;
[0051] (2) When the temperature is lowered to 45°C, add ethanol to the mixture 1, stir and vacuumize, the stirring speed is 65 rpm, the vacuum degree is -0.05Pa.s, stir for 13 minutes and continue to cool down to obtain the mixture 2;
[0052] (3) Mix the acrylic acid (ester) copolymer and 142.9g of water, filter and add t...
Embodiment 3
[0053] Embodiment 3, blackhead film of the present invention and its preparation
[0054] Recipe: 534.5g of water, 150g of polyvinyl alcohol, 200g of ethanol, 30g of acrylic acid (ester) copolymer, 3g of rehmannia root extract, 3g of shegan extract, 7g of tea extract, 7g of papaya extract, and 3g of white fungus fruiting body extract , carbon black 50g, triethanolamine 1g, phenoxyethanol 9g, essence 2.5g.
[0055] Preparation: (1) Mix polyvinyl alcohol and 400.9 g of water, heat to 85°C while stirring, until the polyvinyl alcohol is completely dissolved, and stir at a speed of 55 rpm to obtain mixture 1, keep warm for 10 minutes and then cool down;
[0056] (2) When the temperature is lowered to 45°C, add ethanol to the mixture 1, stir and vacuumize, the stirring speed is 55 rpm, the vacuum degree is -0.05Pa.s, stir for 17 minutes and continue to cool down to obtain the mixture 2;
[0057] (3) Mix acrylic acid (ester) copolymer and 133.6g water, filter and add to mixture 2, s...