The Lab
Specimen No. 0025
AvoidSyntheticcolorant

Carbon Black (CI 77266)

carbon black · ci 77266 · channel black

Carbon-based black pigment used in cosmetics. The International Agency for Research on Cancer classifies carbon black as a possible human carcinogen (Group 2B).

high confidence
Researched April 18, 2026

Concerns

  • IARC Group 2B — possible human carcinogen
  • Lung toxicity with inhalation exposure (aerosol and powder products)
  • May contain PAH impurities
  • EU restricts to ≤10 ppm PAH content

Regulatory flags

  • IARC Group 2B (nanoparticle inhalation)
  • EU restricts — only non-nano carbon black permitted in cosmetics

Commonly found in

MascaraEyelinerEye shadowEyebrow products

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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LabelCleared verdict badge: Carbon Black (CI 77266) — Avoid
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