Search

Disturbing advice on making recipes Tretinoin ( Vitamin A ) 0.025% in oil can put Tretinoin 0.025 plus Mineral Oil ชนิดเบา ] Mineral Oil ชนิดเบา 99.975 more? or do I need to add solvent or สารกันเสีย ? สารกันเสีย Anything to add? Please give some advice. Thank you.

If you want to produce pure formula Retinol in oil can put Retinol max How many percent (as permitted) and the base oil that is not clogged? Which one should you choose to mix? In what proportion? I want a normal bass oil because I want to see individual results Retinol only (I used it in my researc...