In the face serum formula can be added. PE-1 Aqua 2% added to help นำพา into the skin, and then reduce Repair Activator down to 7.5%, fit the calculation, made in the amount of 100ml, if put 10%, the number does not fit in the number of grams, formula Safe-B3 4% GlucoBright 4% AcneBee 1.5% Penthenal...