GHK-Cu vs Melanotan 1
Which should you choose? Here's what you need to know.
The short answer
GHK-Cu rebuilds skin structure through collagen and elastin stimulation. Melanotan-1 darkens skin through melanin production. Skin quality vs. skin color.
On 9 Oct 2026 Peptide Compare tracked 60 vendors selling GHK-Cu, cheapest in stock $0.250 per mg at Eros Peptides, and 30 selling Melanotan 1, cheapest $2.37 per mg at Modern Research.
GHK-Cu
Anti-Aging / SkinGHK-Cu is a copper peptide studied for skin rejuvenation — stimulating collagen production, improving firmness, and accelerating wound healing. It addresses aging at the structural level.
Choose GHK-Cu if:
Your goal is anti-aging skin improvement — firmer skin, fewer wrinkles, better healing.
Melanotan 1
Anti-Aging / SkinMelanotan-1 (afamelanotide/Scenesse) is an FDA-approved melanocortin agonist that stimulates natural melanin production. It's more selective than Melanotan-2 with fewer off-target effects.
Choose Melanotan 1 if:
You want to darken your skin or need UV protection through increased melanin production.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 9, 2026.
GHK-Cu
Melanotan 1
$14.99
Starting from
$25.00
$1.91
Avg. price per mg
$5.29
60
Vendors selling it
30
86 options
In stock now
26 options
9.1/10
Top trust score
7.8/10
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Where does this data come from?
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.