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Goal matrix

Skin & cosmetic

Every compound we track for this goal.

2 Well researched1 Limited evidence

01

The matrix

GHK-Cu 2 RCTsWell researched

Improves skin appearance (topical)	supported
Stimulates collagen	partially true
Injected equals topical benefit	weak evidence

Melanotan I 2 RCTsWell researched

Approved as afamelanotide for erythropoietic protoporphyria	supported
Increases tanning with less UV exposure	partially true
Safe for unsupervised cosmetic use	overreach

Melanotan II 3 RCTsLimited evidence

Produces skin darkening through melanocortin-1 receptor activation	partially true
It is the same compound as the approved melanotan sold as Scenesse	overreach
Tanning with it protects the skin against sun damage	overreach
Has been associated in case reports with changes in existing moles and with new melanocytic lesions	supported

02

Other goals

Metabolic & fat loss Healing & repair Longevity Immunity Cognition & mood Sexual health Muscle & performance Hormonal support Sleep

Research use only

All content on Peptuity is provided for research and educational purposes only. Peptuity does not sell, distribute, or facilitate the purchase of any compound, does not provide medical advice, and makes no claims regarding safety or efficacy. Most compounds discussed are not approved for human use by the SFDA or FDA. Always consult a qualified physician.