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Skin Conditioning

CALCIUM HYDROXYMETHIONINE

CAS 922-50-9 / 4857-44-7 Updated
78

Safety score · 0–100

Fine

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

About

A calcium salt of a methionine analog used as a skin and hair conditioner. Long history in animal nutrition with no dermal red flags; cosmetic-specific data is thin.

Function

SKIN CONDITIONING

Skin benefits

  • Provides bioavailable methionine analog
  • Skin and hair conditioning sulfur amino acid
  • Generally low irritation
  • Used widely in nutrition with long history

Known concerns

  • Limited dermal-specific safety literature
  • Calcium salts can affect formulation pH

References

EU

EU CosIng database

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

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ACETYL D-ASPARAGINYL D-THREONYL D-TYROSINE
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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.