Peptide Database
A verified index of sequences, half-lives, and molecular weights curated for the research community.
Showing 3 peptides in Skin & Hair
GHK-Cu
Research compound / CosmeceuticalSkin & Hair
A naturally occurring copper tripeptide found in human plasma, saliva, and urine. Declines with age. Studied for skin rejuvenation, wound healing, and hair growth.
Molecular Weight
403.9 Da
Half-Life
~12 hours (topical), ~1 hour (injected)
Melanotan II
FDA ApprovedSkin & Hair
A synthetic melanocortin peptide analog that stimulates melanogenesis (tanning) and has secondary effects on sexual function and appetite.
Molecular Weight
1024.2 Da
Half-Life
~33 minutes (effects last days)
SNAP-8
CosmeceuticalSkin & Hair
An 8-amino acid peptide that reduces wrinkle depth by inhibiting SNARE complex formation, reducing neurotransmitter release at the neuromuscular junction. A 'topical Botox' concept.
Molecular Weight
1075.2 Da
Half-Life
Topical application (not injected)