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pH Adjuster

PHENOLPHTHALEIN

CAS 77-09-8 / 5768-87-6
8

Safety score · 0–100

Avoid

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

A pH indicator and former laxative drug carrying H350/H341/H361 hazard codes. Treated as a CMR substance — has no business in cosmetics.

Function

NOT REPORTED

Skin benefits

  • pH indicator and historical laxative — no cosmetic benefit

Known concerns

  • GHS H350 may cause cancer (Carc. 1B)
  • H341 suspected mutagen
  • H361 suspected reproductive toxicant — CMR profile incompatible with cosmetic use

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.