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Naphtha, if it contains > 0.1% w/w benzene

CAS 8030-30-6
8

Safety score · 0–100

Avoid

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

About

Petroleum naphtha with benzene contamination is prohibited in cosmetic products under EU law; benzene is a known human carcinogen with no safe exposure threshold.

Naphtha (CAS 8030-30-6) is a petroleum distillate classified as prohibited in cosmetic products when it contains more than 0.1% w/w benzene, as established in EU Annex II. Benzene (CAS 71-43-2) is classified as a Group 1 carcinogen by IARC and is explicitly banned in cosmetic products due to its systemic absorption through skin and inhalation. Any naphtha fraction with benzene above the 0.1% threshold is considered a contaminated solvent and is prohibited from cosmetic formulation.

Known concerns

  • EU Annex II — benzene contamination (>0.1% prohibited)
  • Known human carcinogen (benzene)
  • Prohibited solvent in cosmetics

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.