Which should you choose? Here's what you need to know.
AHK-Cu and Melanotan 1 are both anti-aging / skin peptides, but they work differently. A copper peptide studied for hair and skin, closely related to GHK-Cu. A synthetic analog of alpha-melanocyte-stimulating hormone studied for its potential to stimulate melanin production and provide photoprotection. Compare vendor pricing and availability below.
On 9 Oct 2026 Peptide Compare tracked 18 vendors selling AHK-Cu, cheapest in stock $0.090 per mg at Solution Peptides, and 30 selling Melanotan 1, cheapest $2.37 per mg at Modern Research.
A copper peptide studied for hair and skin, closely related to GHK-Cu.
A synthetic analog of alpha-melanocyte-stimulating hormone studied for its potential to stimulate melanin production and provide photoprotection.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 9, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.