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Exfoliant

MANDELIC ACID

CAS 90-64-2 Updated
72

Safety score · 0–100

Fine

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

About

A gentle alpha-hydroxy acid from bitter almonds. Larger than glycolic, so it penetrates more slowly with less sting. Safe at typical leave-on levels; rinse off the concentrate carefully.

Function

ANTIMICROBIAL

Skin benefits

  • Gentle alpha-hydroxy exfoliation
  • Larger molecule means slower, less stinging action
  • Helps with uneven tone and acne
  • Useful AHA for sensitive skin

Known concerns

  • Eye irritation in concentrated form
  • Mild skin irritation potential
  • Photosensitivity, sunscreen needed
  • Can sting on broken skin

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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