Which should you choose? Here's what you need to know.
AHK-Cu and SNAP-8 are both anti-aging / skin peptides, but they work differently. A copper peptide studied for hair and skin, closely related to GHK-Cu. An octapeptide that mimics the N-terminal end of SNAP-25. Studied as a topical anti-wrinkle peptide that may reduce muscle contraction depth. 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 33 selling SNAP-8, cheapest $0.860 per mg at Biotech Peptides.
A copper peptide studied for hair and skin, closely related to GHK-Cu.
An octapeptide that mimics the N-terminal end of SNAP-25. Studied as a topical anti-wrinkle peptide that may reduce muscle contraction depth.
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.
Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.
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.