The Lab
Specimen No. 0015
AvoidSyntheticsolvent

Toluene

toluene · methylbenzene · toluol

Petroleum-derived solvent used in nail products. A neurotoxin and reproductive hazard — inhaling vapors during application is a significant concern.

high confidence
Researched April 18, 2026

Concerns

  • Neurotoxic — CNS effects at high inhalation exposure
  • Reproductive and developmental toxicity
  • California Prop 65 reproductive hazard listed
  • EU restricted in cosmetics

Regulatory flags

  • California Prop 65 listed — reproductive toxin
  • EU restricts in nail products — max 25%

Commonly found in

Nail polishNail treatmentHair dye

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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