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Hair Conditioning

DIAMINOPYRIMIDINE OXIDE

CAS 74638-76-9 Updated
60

Safety score · 0–100

Fine

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

About

A pyrimidine oxide derivative structurally related to minoxidil, used in scalp/hair-density treatments. Generally well-tolerated; long-term cosmetic data is limited.

Skin benefits

  • Hair-loss-targeting active in scalp products
  • Vasodilator-like analog of minoxidil
  • Used at low %

Known concerns

  • Limited long-term cosmetic safety data
  • Possible scalp irritation
  • Pharma analog raises caution

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 — always read the physical product label and consult a healthcare professional for personal concerns.