Peptides
GHK-Cu (Copper Peptide)
In plain language
A skin-care ingredient (copper peptides) shown to help with collagen and skin appearance when applied as a cream or serum.
Is it an approved medication?
No — not an approved medication
No - but the TOPICAL skin-care version is a legitimate, normally-regulated cosmetic product
How strong is the evidence?
Moderate for skin use (topical); essentially none for injecting it
The main thing to know
The injectable/systemic version some sell online is NOT the same safety category as the skin cream - avoid it.
Mechanism
Copper-binding tripeptide; stimulates collagen and glycosaminoglycan synthesis and modulates gene expression linked to tissue remodeling, mainly studied topically.
Potential benefits
- Skin collagen stimulation and wound healing (topical)
- Anti-aging skincare claims
Regulatory status
Cosmetic ingredient (topical); not approved as an injectable drug or supplement