Health Guide
Skin and Hair
Plain-English summaries: what it is, what it was studied for, safety and regulatory status, plus mixing and dosing charts.
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1 GHK-Cu
Most popular
A copper-binding peptide found in human plasma and studied in skin biology, cosmetics and wound repair.
2 Melanotan II
Most popular
A synthetic peptide that can darken skin. Regulators warn about serious side effects and unknown product contents, and a tan from it does not protect against sun damage.
3 SNAP-8
Most popular
An eight-amino-acid cosmetic ingredient used in anti-wrinkle products.
Educational information only. This content summarizes published research for general education. It is not medical advice, not a recommendation to use any substance, and not an instruction for human or animal use. It does not describe any Research Product sold on this site.