Specimen No. 0018
AvoidSyntheticpreservativeantioxidant
BHA (Butylated Hydroxyanisole)
butylated hydroxyanisole · bha · tert-butyl-4-methoxyphenol
Synthetic antioxidant/preservative used in cosmetics and food. Classified as a possible human carcinogen and suspected hormone disruptor.
high confidence
Researched April 18, 2026Specimen 0018BHA (Butylated Hydroxyanisole)
Concerns
- IARC Group 2B possible carcinogen
- Endocrine disruption — interferes with thyroid and estrogen [inference]
- EU restricts concentration in cosmetics
- Bioaccumulates in body tissue
Regulatory flags
- ⚑EU classifies BHA as endocrine disruptor category 1
- ⚑IARC Group 2B possible carcinogen
- ⚑EU restricts in cosmetics — max 0.5%
Commonly found in
LipstickMoisturizerFragranceProcessed foodFood packaging
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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