Specimen No. 0017
AvoidSyntheticcolorantdye
Coal Tar Dyes
fd&c red 4 · fd&c yellow 5 · fd&c blue 1
Synthetic dyes derived from coal tar. Several are restricted or banned in the EU and Canada. Associated with carcinogenicity and skin sensitization.
high confidence
Researched April 18, 2026Specimen 0017Coal Tar Dyes
Concerns
- Several IARC-classified carcinogens within this group
- Skin sensitization and allergic reactions
- EU restricts many — notably in hair dyes
- p-Phenylenediamine (PPD) is a known potent allergen
Regulatory flags
- ⚑EU banned most coal tar dyes in cosmetics
- ⚑Many coal tar components: IARC Group 1 carcinogens
Commonly found in
Hair dyeLipstickEyeshadowMascaraDandruff shampoo (therapeutic grade)
Sources & references
Last researched: April 18, 2026
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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