Cosmetics Formulation Development

Skin-Barrier™ and SkinLipid™ Which ingredient is better to rejuvenate your skin? because it is seen as an ingredient in the barrier group as well 2. Pure-Baicalin ™ or French Pine Bark or Grape Seed Extract will make the formula dark. may not be used I would like to know if mixed into the serum How will you get brown? Thank you very much

Hello. 1. I can't answer because they are different ingredients. And there are no research results to compare directly. 2. Recommended to try to order the smallest size. Let's test it in the formula. due to the color that occurs in the formula depending on the amount of use and other components in the formula