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Skin Conditioning

CHLORELLA PROTOTHECOIDES

72

Safety score · 0–100

Fine

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

About

Cultured cells of Chlorella protothecoides algae — used for antioxidant and conditioning claims. Benign profile, limited cosmetic data.

Chlorella protothecoides is a single-celled green alga grown in controlled culture. The cosmetic ingredient is the cultured whole cells or paste, which supplies algal proteins, amino acids, vitamins (B12, folate), carotenoids, and chlorophylls. It functions as a skin-conditioning ingredient with antioxidant claims. The species has a long food/biofuel history, giving reasonable confidence in biological benignity, but peer-reviewed cosmetic toxicology and efficacy data are limited. No EU CosIng restriction applies. Microbial stability and precise species identification are the main formulation considerations.

Function

ABRASIVE, HAIR CONDITIONING, SKIN CONDITIONING, VISCOSITY CONTROLLING

Skin benefits

  • Antioxidant carotenoids and chlorophyll
  • Algal protein and amino acids
  • Skin-conditioning

Known concerns

  • Limited cosmetic toxicology data
  • Microbial stability considerations
  • Species-ID variability

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.