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Preservative

CHLORPHENESIN

CAS 104-29-0
55

Safety score · 0–100

Moderate

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

A preservative used to keep creams and lotions fresh, capped at 0.3% in EU products. Mostly well tolerated, but can cause skin irritation in a minority of users.

Skin benefits

  • Broad-spectrum preservation
  • Low-concentration effective
  • Stable formulation

Known concerns

  • EU 0.3% cap
  • Possible contact dermatitis
  • Caution on broken infant 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, so always read the physical product label and consult a healthcare professional for personal concerns.