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1-NAPHTHALENEACETIC ACID

CAS 86-87-3
20

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A synthetic plant-growth hormone (auxin) used in agriculture, not a typical skincare ingredient. PubChem flags it as Danger: corrosive and irritant — better avoided in leave-on cosmetics.

Function

SKIN CONDITIONING

Skin benefits

  • No established cosmetic benefit

Known concerns

  • Corrosive (GHS05)
  • Skin and eye irritation
  • Pesticide/PGR use case, not cosmetic

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.