GHK-Cu
GHK-Cu is a copper tripeptide widely used in topical skincare. As a cosmetic ingredient it’s prized for supporting the look of firmer, smoother, more radiant-looking skin, and it’s the star of Heather’s Glow Protocols face serums.
What it is
GHK-Cu (copper tripeptide-1) is a small naturally-occurring peptide bound to a copper ion. In skincare it’s formulated into serums and creams as a cosmetic ingredient.
Category & status
Cosmetic ingredient. GHK-Cu is commonly used in topical, leave-on cosmetic products. It is not a drug and is not intended to diagnose, treat, or cure any condition.
What the research explores
Published cosmetic and laboratory research has explored copper peptides in the context of skin appearance, the look of firmness, and the visible signs of aging. This is general educational information, not a health claim.
How the Glow Lab community relates to it
In the Glow Lab, members most often encounter GHK-Cu as the active in topical serums — used as part of a normal skincare routine to support the appearance of healthier-looking skin.
Related tools & deals
Educational tool — not medical advice. Always consult a qualified healthcare professional.