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Exfoliant

LACTIC ACID

CAS 50-21-5
82

Safety score · 0–100

Good

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

An alpha-hydroxy acid (AHA) — gently exfoliates and hydrates by loosening dead skin cells and pulling water in. Well-tolerated up to 10% in cosmetics.

Function

BUFFERINGHUMECTANTSKIN CONDITIONING

Skin benefits

  • Mild AHA exfoliation
  • Boosts skin hydration
  • Smooths skin texture

Known concerns

  • Mild stinging at higher %
  • Increases sun sensitivity

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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Same plant / compound family

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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.