Cosmetics Formulation Development

tighten the pores Which one works? How much do you use?

Hello, recommend the group Vitamin C which will tighten the skin. resulting in hair follicles look smaller

Recommended as Vitamin C which one and how much?

Hello, you can get all of them. Choose to suit the style of the recipe. For example, if the formula is cream-oil, you can use Perfect-C which is soluble in oil, in case the formula is water-based or water gel, choose the one that is soluble directly. which has many Let's explore the differences, limitations, and how to use each one. For water formulations, the easiest is Ethyl Ascorbic acid No need to adjust pH and you don't have to worry about stability.