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Hair-growth active

PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

CAS 55921-65-8
70

Safety score · 0–100

Fine

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

Pyrrolidinyl diaminopyrimidine oxide is a minoxidil-related cosmetic active used in anti-hair-loss lotions and serums. It is marketed for stimulating hair growth and follicle vitality.

Skin benefits

  • Minoxidil-analog peptide-class active for hair-loss reduction
  • Stimulates hair growth and follicle vitality in cosmetic claims
  • Suitable for leave-on scalp treatments

Known concerns

  • Limited long-term safety data outside short cosmetic trials
  • Possible scalp irritation and contact dermatitis
  • Minoxidil-like vasodilatory potential not fully characterized in cosmetics

References

EU

EU CosIng database

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

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.