Cosmetics Formulation Development

Can this serum be mixed? Do you need to adjust anything? I need a pH of about 4-5. I need it to fight free radicals, reduce irritation, make my skin clear. Serum texture for all skin types 1. Vitamin C (L-ascorbic acid) (Ultra-Fine) 15% 2. Vitamin E (dl-alpha tocopherol) 1% 3. Ferulic Acid 1% 4. Panthenol (Vitamin B5) ExtraLite™ 2% 5. Safe-B3 ™ ( Vitamin B3, Niacinamide ) 4% 6. Ectoine ( Ectoin , from Bio-fermentation) 1% 7 . Hyaluronic Acid (Standard Molecule ) 0.2% 8. Hyaluronic Acid (Small Molecule) 0.2 9. Coenzyme Q10 (10%, Powder, Water-Soluble) 3% 10. Licorice Extract ( Glabridin 4.5%, Water-Soluble) 1% or should be Dipotassium Glycyrrhizate 1% good, focus on reducing irritation. 11. Palmitamide MEA 1% 12. Dimethyl Isosorbide (DMI) 3% 13. Mild Preserved Eco™ ( Preservative-Free ) 1% want message 1-13 I'm in the serum Personally below, I'm not sure if we can put them together or not. Which one below can be adjusted? Bakuchiol (Natural Retinol ) 1% ActiveProtec™ UV 1% Glycerin 99.5% 3% Phospholipid 2% Propylene Glycol 5% น้ำกลั่น

Hello Vitamin C (L-ascorbic acid) not stable When dissolved in water, this formula cannot be mixed.

Where should I change the solvent?

Hello, this formula in case the member wants to use Vitamin C in the formula, I recommend you to use it. Vitamin C in other stable images like Ethyl Ascorbic acid , Ascorbyl Glucoside , Perfect-C (select only one That's enough)