Cosmetics Formulation Development

Hello, prepare to do Skinceutical by entering Vitamin C 10% Vitamin E ( dl-alpha tocopherol )2% Ferulic Acid 1% portion of น้ำกลั่น will add กลีเซอรีน 5% gel ว่านหางจระเข้ 5% Does this formula work and the solution Ferulic Acid can use Propylene Glycol it soluble, what proportion do you use or is there another better solution? Ferulic Acid you recommend it? Thank you very much.

Hello Ferulic Acid soluble in Ethoxydiglycol , the team is not sure about solubility. Propylene Glycol Members must try to test it.