Specimen No. 0016
AvoidSyntheticheavy metalcolorant
Lead / Lead Acetate
lead acetate · lead · ci 77266
Heavy metal used historically as a hair darkening agent. The FDA banned lead acetate in hair dyes in 2018 due to neurotoxicity and carcinogenicity.
high confidence
Researched April 18, 2026Specimen 0016Lead / Lead Acetate
Concerns
- Neurotoxin — no safe level of lead exposure (CDC)
- FDA banned in hair coloring products (2018)
- Carcinogen (IARC Group 2A)
- Accumulates in bone over time
Regulatory flags
- ⚑FDA banned in hair dye products (2020)
- ⚑IARC Group 2A carcinogen
- ⚑WHO: no safe level of lead exposure
Commonly found in
Hair color products (legacy)Some lipsticks (trace contamination)Kohl eyeliner (traditional)
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.
Check another ingredient
Search our database of scored cosmetic, food, and household ingredients — or scan a full product label.
Open the Ingredient Lab