Cosmetics Formulation Development

I would like to ask about the mixing method and ratio of each extract ( Water in Oil ).

1. Retinal-EZ ™ (Encapsulated Water Dispersible Retinal )

2. LipidSoft ™ DS ( Diisopropyl sebacate )

3. Vitamin E ( Tocopheryl Acetate)

4. Butylene Glycol

5. pentylene glycol (Low-Odor)

6. Fractionated Coconut Oil

7. Dimethyl Isosorbide (DMI)

8. Perfect-A 10™ ( Hydroxypinacolone Retinoate , Liquid)

9. Pure- Bakuchiol ™ (Natural Retinol , 99% Pure, USA)

10. Squalene (Olive)

11. Polysorbate 20 (Tween 20)