Research focus
Skin, hair & aesthetics research peptides
Research concerns skin, hair follicles, pigmentation and cosmetic formulation. Each compound below carries a score out of 100 combining the strength of its published research with the certificate evidence of the vendors that carry it — a score of evidence, never a claim that a compound is safe, effective or suitable for any purpose.
Browse by research focus
Showing 6 of 6 compounds — Research concerns skin, hair follicles, pigmentation and cosmetic formulation.
- S
Glutathione
Other94.7A tripeptide of glutamate, cysteine and glycine that is the body’s principal intracellular antioxidant, supplied for research and compounding in its reduced form.
LongevitySkin & hair16 vendors15 certificates99.6% mean purityTier S evidence · Established popularity
- S
Melanotan I
Dermatological93.9A synthetic analogue of alpha-melanocyte-stimulating hormone that stimulates melanin production, studied in relation to skin pigmentation. Its approved form is known as afamelanotide.
Skin & hair13 vendors12 certificates99.8% mean purityTier S evidence · Established popularity
- B
Melanotan II
Dermatological93.7A synthetic analogue of alpha-melanocyte stimulating hormone. It has been the subject of regulatory warnings in several countries regarding unlicensed sale.
Skin & hairHormonal19 vendors11 certificates99.8% mean purityTier B evidence · High popularity
- A
GHK-Cu
Dermatological91.6A copper-binding tripeptide found naturally in human plasma. It appears widely in topical cosmetic formulations and is also listed by research chemical vendors as a lyophilised powder.
Skin & hairHealing27 vendors36 certificates99.7% mean purityTier A evidence · High popularity
- B
SNAP-8
Dermatological61.3An eight–amino-acid peptide extension of the cosmetic peptide argireline, studied topically in relation to the appearance of expression lines.
Skin & hair4 vendors3 certificates99.5% mean purityTier B evidence · Niche popularity
- D
AHK-Cu
Dermatological42.2A copper-binding tripeptide (alanine-histidine-lysine) in the copper-peptide class, studied for effects on hair follicles and used as a cosmetic ingredient.
Skin & hair1 vendors0 certificatesTier D evidence · Niche popularity