Cosmetics Formulation Development

Please ask about mixing the serum for your own use. There are the following compounds - Galactomyces Ferment Filtrate 90 g - Repair Activator 10 g by taking 2 parts mix in a bottle Can I use it directly or not? ** Focus on skin rejuvenation. keep skin healthy To make the skin smooth and bright. PS. The above substances can be used with a serum that is a mixture of L-ascorbic acid or not?

Can I use it directly? Answer: It can be used directly. L-ascorbic acid can I get it? Answer Yes, it is recommended to apply L-ascorbic acid first leave it for 10-20 minutes to allow the low pH substance to be absorbed first. Then gradually apply the next skincare.