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.
A copper-binding peptide found in human plasma and studied in skin biology, cosmetics and wound repair.
A three-ingredient research blend promoted for skin quality and recovery.
A four-ingredient research blend marketed for recovery, skin and inflammation.
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.
An FDA-approved daily pill for male pattern hair loss. It lowers DHT, the hormone that shrinks hair follicles, and stops further loss in most men who take it.
A hair-growth medicine used on the scalp (Rogaine) or, more and more, as a low-dose daily pill.
A synthetic alpha-MSH analogue. As the Scenesse implant (afamelanotide), it is FDA approved for a rare light-sensitivity disorder, not for cosmetic tanning.
An eight-amino-acid cosmetic ingredient used in anti-wrinkle products.
A copper-binding tripeptide related to GHK-Cu, studied mainly for hair follicles.
A pairing of two melanocortin-receptor peptides sold as separate vials.