Cosmetics Formulation Development

Asking permission to ask for serum formula 1. ไฮยาลูรอน 2. Sym-White 3. Alpha Arbutin 4. Repair Activator™ 5. DMAE (SkinTight MD™) Liquid are some questions: 1.Can they be mixed together or not? 2.Mixed together, does the concentration change or not? 3.Base serum 100 grams, how much can each ingredient be put in? 4. Sym-White and Alpha Arbutin which one performs better ( whitening ) Thank you.

Hello. 1. Ingredients as informed by members. Can mix together in the same formula. 2. I don't understand the question. 3. Please read มือใหม่กรุณาอ่านที่นี่ 4. The efficiency of each ingredient's work It depends on the user's skin. therefore cannot be directly compared. With the important variable is the user's skin. In the case of developing a formula for your own use It is recommended to test each ingredient. to see which ingredients have a better effect on your skin In the case of formula development for distribution Usually it is popular to wear several. but reducing the rate of use of each of them in order to be effective for most users Instead of choosing just one ingredient which may not be effective for some users