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Skin Conditioning

PHENYLALANINE

CAS 63-91-2 / 150-30-1 Updated
90

Safety score · 0–100

Excellent

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

About

An essential amino acid used to condition and repair skin as a building block of structural proteins. Endogenous to human metabolism with a long safety track record in food and cosmetics.

Skin benefits

  • Building block of structural skin proteins
  • Component of NMF hydration
  • Supports melanin pathway substrate
  • Very low irritation profile

Known concerns

  • No significant concerns at cosmetic concentrations

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