Melanotan

Tanning peptides (MT-I, MT-II) sold illegally on gray markets.

Linked to nausea, mole changes, and unknown long-term risk—not cosmetic bronzers.

More glossary terms

Peptide INCI name Amino acid Signal peptide Carrier peptide Neurotransmitter-inhibitor peptide Enzyme-inhibitor peptide Oligopeptide Palmitoyl Acetyl Myristoyl GHK-Cu