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AHK-Cu (Copper Tripeptide-3) Side Effects and Safety

Reported AHK-Cu (Copper Tripeptide-3) side effects, contraindications, and safety signals.

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Compiled from published research · Continuously updated

Form-Dependent Risk Profile

Topical cosmetic use is generally well tolerated, with rare mild skin irritation reported. The injectable/research form carries the same general uncharacterized-risk profile as other unapproved research peptides — no formal human safety trial exists for that route. Known copper-metabolism disorders (e.g. Wilson's disease) and pregnancy are treated as precautionary contraindications for the injectable/research form.

Contraindications

  • pregnancy (injectable/research form)
  • known copper sensitivity or Wilson's disease

References

  1. The effect of tripeptide-copper complex on human hair growth in vitro · Pyo HK, Yoo HG, Won CH · 2007
All AHK-Cu (Copper Tripeptide-3) sections

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A copper-binding tripeptide used for skin remodeling, collagen synthesis, hair growth, and wound healing.

GLOW Blend

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A copper-peptide-forward single-vial blend pairing GHK-Cu's skin remodeling with BPC-157 and TB-500's tissue-repair support.

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The only melanotan with FDA approval — cleared as Scenesse in 2019 for a rare disorder where sunlight causes severe skin pain, not for general tanning.

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