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Skin Conditioning

LYSINE

CAS 56-87-1
92

Safety score · 0–100

Excellent

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

An essential amino acid — a building block for collagen and elastin. Naturally occurring in the body, exceptionally safe topically, and a gentle humectant for daily-use products.

Skin benefits

  • Essential amino acid — building block for collagen
  • Supports skin protein synthesis
  • Mild humectant effect
  • Excellent tolerability

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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CERAMIDE 1
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CERAMIDE 1 A
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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.