Ask about the working mechanism of
สาร whitening 1. Reduce UVB induced inflammation and oxidation we use
Phytosphingosine in reducing inflammation, can it? 2. Reactive oxygen species What other substances can we use that are not
Vitamin C ?
Vitamin C 3. Turnover and desquamation promotion we use substance
ผลัดเซลล์ผิว other than those acid will help 4. Copper Interaction, how is this mechanism? So which substances can we use that are not?
Vitamin C Reason not to use
Vitamin C because it uses ingredients.
Vitamin B3
by bopuncharat » Thu May 19, 2022 12:37 pm 
