Copper Peptides (GHK-Cu): The Complete Guide
GHK-Cu is the breakout skincare ingredient of the year. What copper peptides are, what the research supports, how to use them, and what to avoid mixing them with.
Ingredients
Ingredient guides decoded: what peptides, copper peptides, Matrixyl and other actives are formulated to do, what the published research supports, and how to use them. Evidence first, hype never.
Peptides 101: What They Actually Do for Your Skin
The plain-language guide to peptides in skincare: what they are, the main types, what the research supports, and how to start using them.