Palmitoyl Tripeptide-1: The Matrixyl-Family Peptide, Explained
Palmitoyl tripeptide-1 is the core peptide in the Matrixyl family. We break down what the research supports, how to use it, and where it fits with other actives.
Ingredient Profiles
Deep-dive profiles of individual skincare actives — what they do, how they work, who should use them, and the products that deliver them.
Copper Tripeptide-1 (GHK-Cu): What the Research Actually Says
Copper tripeptide-1 (GHK-Cu) has decades of dermatology research behind it. We break down what it actually does, how to use it, and what to pair it with.
Ectoin: The Extremophile-Derived Hydrator Quietly Reshaping Sensitive-Skin Routines
Ectoin is a research-backed osmolyte from extremophile bacteria. We break down what it does, how it compares to hyaluronic acid, and where it earns its place.