Cosmetic composition for brightening skin and preparation method and application thereof
A cosmetic composition and a technology for brightening skin tone, which is applied in the direction of cosmetic preparations, cosmetics, cosmetics, etc., and can solve problems such as heavy use feeling, clogged pores, and acne
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[0093] With embodiment 1-5 (a kind of cosmetic composition that brightens complexion), comparative example 1 (a kind of double-layer composition containing pearlescent powder), comparative example 2 (a kind of double-layer composition not containing pearlescent powder) , comparative example 3 (a cosmetic composition that uses traditional preservatives to brighten the complexion) carries out the effect comparison test, and the following is the effect application test:
[0094] 1. Evaluate mildness by chicken chorioallantoic membrane vascular stimulation test (CAMVA). The specific experimental methods and evaluation criteria are as follows:
[0095] Laboratory principle: A certain amount of test substance (40μl) is directly contacted with the chicken embryo allantoic membrane, and after a period of time (30min) to observe the degree of chorioallantoic membrane vascular damage (such as ghost blood vessels, capillary congestion or bleeding) , to score different degrees of vascular...
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