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Antioxidant

FULLERENES

CAS 99685-96-8
58

Safety score · 0–100

Moderate

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

A carbon nanostructure (CAS 99685-96-8) studied for strong antioxidant activity in high-end skincare. Nanomaterial nature, possible cellular uptake, and limited long-term skin data justify caution and orange-tier classification.

Skin benefits

  • Strong free-radical scavenging in lab studies
  • Used in premium anti-ageing skincare
  • Stable carbon allotrope

Known concerns

  • Nanomaterial-style ingredient with limited long-term topical safety data
  • Concerns about cellular uptake and persistence
  • Regulatory scrutiny ongoing in EU under nanomaterial rules
  • Photo-behaviour under UV not fully characterized

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.