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Vitamin (B2)

LACTOFLAVIN

CAS 83-88-5
86

Safety score · 0–100

Good

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

Riboflavin, the familiar vitamin B2, used in cosmetics as a mild antioxidant and natural yellow tint. Very safe at typical levels, with mostly aesthetic rather than dramatic skincare effects.

Skin benefits

  • Riboflavin (vitamin B2), an essential vitamin with antioxidant action
  • Supports skin cell energy metabolism when present
  • Naturally occurring, safe at cosmetic concentrations
  • Acts as a mild yellow colorant in some formulations

Known concerns

  • Yellow color may tint light formulas or fabrics
  • Photochemistry of riboflavin can generate reactive species under UV
  • Limited evidence of topical efficacy versus dietary intake

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