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LACTOFLAVIN

CAS 83-88-5
90

Safety score · 0–100

Excellent

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

About

Lactoflavin is a cosmetic ingredient. Exercise caution due to limited available safety data.

Lactoflavin is the INCI name for riboflavin (vitamin B2), a naturally occurring water-soluble vitamin found in many foods. It is listed under EU Cosmetics Regulation 1223/2009 Annex IV/145 as a permitted color additive (CI 45400). Riboflavin has an excellent safety profile in cosmetic applications and is widely used in skin-care, hair-care, and decorative cosmetic products. It is not considered a sensitizer and is well tolerated on skin.

Skin benefits

  • Provides bright yellow color to cosmetic formulations
  • Vitamin B2 supports normal skin health
  • May contribute to skin-tone evening when used in color cosmetics

Known concerns

  • May impart yellow-orange color to formulations
  • Rare individual hypersensitivity

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.