Skin & Hair
Collagen, pigmentation, and hair growth.
Quick answer
Quick answer: Skin & Hair peptides
For skin and hair peptides, confirm product form, concentration or vial size, purity documentation, price, and vendor reputation before treating a topical or injectable listing as comparable.
About skin & hair peptides
Skin and hair peptides are dominated by GHK-Cu (a copper tripeptide), researched for collagen synthesis, wound healing, hair growth, and skin regeneration. This is a more accessible category — many GHK-Cu products are sold as topicals or transdermal preparations.
GHK-Cu is on the FDA's February 2027 PCAC review agenda. Vendor catalogs are mature in this category and pricing is competitive.
5 peptides in this category
Sorted by review volume — the compounds people are researching most.
GHK-Cu
Copper peptide for skin regeneration, hair growth, and wound healing.
Melanotan II
Melanocortin agonist researched for tanning, libido, and appetite suppression.
Melanotan I
First-generation tanning peptide researched for melanin production and UV protection.
AHK-Cu
Copper peptide researched for hair-follicle stimulation and scalp regeneration.
SNAP-8
Cosmetic peptide researched for muscle-relaxation effects on expression wrinkles.
US-domestic family-owned peptide vendor with strong customer satisfaction across independent reviews and public third-party COAs.
What to know before buying
- GHK-Cu can be applied topically (face serum) or injected subcutaneously
- Effects on hair growth take 3-6 months to evaluate fairly
- Lower-purity GHK-Cu can stain skin blue-green — confirm vendor purity before using on face