Browse research topics
Skin, hair & tanning.
Skin, hair and pigment research. Findings depend on the exact compound, route and study; this topic is not a treatment recommendation.
In this category.
Open any profile to see what the evidence does and does not show.
Skin & hairLimited human data
GHK-Cu
Copper peptide for skin and hair
Schematic illustration
- Firm skin, soften wrinkles Early evidence
- Improve skin from within Unverified
- Thicken thinning hair Unverified
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Skin & hairAnimal & lab only
AHK-Cu
Scalp serum for thinning hair
Schematic illustration
- Regrow thinning hair Animal/lab
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Skin & hairLimited human data
Snap-8
Cream peptide for expression lines
Schematic illustration
- Soften expression lines Unverified
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Skin & hairFDA-approved
Melanotan I
Tanning; approved for rare sun sensitivity
Schematic illustration
- Get a deeper tan Early evidence
- Tolerate sunlight without pain Human evidence
- Restore color in vitiligo Early evidence
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Skin & hairLimited human data
Melanotan II
Unapproved tanning injection
Schematic illustration
- Get a deep tan fast Early evidence
- Boost libido and erections Early evidence
- Curb appetite Early evidence
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Other research topics.
- Weight & metabolismApproved medicines and investigational metabolic compounds.9 peptides
- Growth hormoneGrowth-hormone signaling research.4 peptides
- Healing & repairTissue-repair research.5 peptides
- Immune systemNatural signals studied in immune responses.4 peptides
- Brain, mood & sleepCompounds studied or marketed for cognition, mood and sleep.4 peptides
- LongevityAging and cellular-energy research.5 peptides
- Sexual healthSexual-health research.1 peptide