Skin & hair

Wrinkles, skin repair, tanning and hair growth. Ranked by evidence grade, then user score. Each grade is for the use named on the card, which may not be this goal.

• Sleep
• Recovery & injury
• Fat loss
• Cognition & mood
• Libido & sexual health
• Longevity
• Skin & hair
• Immune
• Muscle & strength

Evidence grade Any grade A only B or better C or better D or better US FDA Any status Approved for this useApproved for another use onlyNot approved WADA (sport) Any status Not prohibitedProhibited or likely prohibitedNot named / unclear

5 of 5 peptides shown

1. C

   1.GHK-Cu

   Preliminary human data · for topical skin and hair cosmetic use (injectable 'systemic anti-ageing' has no human trials)

   FDA Not approved WADA Not named
   User score 3.5
   Outcomes: Positive 44 of 64 (69%), Mixed 5 of 64 (8%), Negative 4 of 64 (6%), No effect 4 of 64 (6%), Unclear 7 of 64 (11%)
   Men 45–60: 1 · everyone: 64 reports · approximate

   Why it’s listed: graded use mentions it; 33 of 64 user reports mention skin; 31 of 64 user reports mention hair.

2. C

   2.Melanotan II

   Preliminary human data · for tanning and erections

   FDA Not approved WADA Likely prohibited (S0)
   User score 3.5
   Outcomes: Positive 37 of 57 (65%), Mixed 11 of 57 (19%), Negative 9 of 57 (16%), Unclear 1 of 57 (2%)
   Men 45–60: 0 · everyone: 57 reports · approximate

   Why it’s listed: graded use mentions it; summary mentions it; 46 of 57 user reports mention skin.

3. C

   3.SNAP-8

   Preliminary human data · for topical anti-wrinkle

   FDA Not approved WADA Not named
   User scoretoo few reports (8)
   Men 45–60: 0 · everyone: 8 reports · approximate

   Why it’s listed: graded use mentions it; substance class mentions it; summary mentions it; 4 of 8 user reports mention skin.

4. D

   4.KPV

   Preclinical only · for gut and skin anti-inflammatory use

   FDA Not approved WADA Likely prohibited (S0)
   User score 2.5
   Outcomes: Positive 11 of 32 (34%), Mixed 11 of 32 (34%), Negative 5 of 32 (16%), No effect 2 of 32 (6%), Unclear 3 of 32 (9%)
   Men 45–60: 0 · everyone: 32 reports · approximate

   Why it’s listed: graded use mentions it.

5. D

   5.AHK-Cu

   Preclinical only · for topical or injected hair-growth use

   FDA Not approved WADA Not named
   User scoretoo few reports (3)
   Men 45–60: 0 · everyone: 3 reports · approximate

   Why it’s listed: graded use mentions it.

User reports are anecdata, not evidence: self-selected, unverified, often combined with other compounds.