Lactic 5% + Collagen Lactic 5% +collagen is a leave-on, self-neutralizing, mild peel. It is used once per week, after... View Resource
What is 5% Lactic + collagen used for? What is the application process? 5% lactic + collagen is a leave-on, self-neutralizing, mild peel. It is used once per week, after... View Resource
