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Cosmetic research peptides

Cosmetic research peptides such as GHK-Cu and melanotan, ranked by independent purity testing. For research use only.

GHK-CuA
A naturally occurring copper-binding tripeptide. Plasma levels in humans decline substantially with age.
58 vendors graded
Melanotan IIA
A synthetic cyclic analog of α-melanocyte-stimulating hormone (α-MSH).
34 vendors graded

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