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Disturbing the team to help analyze the serum formula for me. **Requirements are : Want to have white and bright skin, full of water, suitable for all skin types. 1. Water 85.9% 2. B5 1.5 % 3. B3 5% 4. Gluco Bright 5% 5. Hyaluronic Acid 0.3 % 6. PG 1% 7. กลีเซอรีน 0.3% 8. Glydant 1% preliminary trie...

Hello, I'm a newbie who wants to produce a serum or cream to treat acne. By doing experiments with samples such as friends, relatives and myself, please suggest suitable formulas at affordable prices. (that is, read I don't know which raw material to choose.) Restrictions 1. Characteristics of the s...