High concernOther
Lead Acetate
Possible neurotoxinReproductive toxicantPossible carcinogen
What it is
A lead salt historically used as a gradual hair dye (“progressive hair colour”).
What it does
Colours greying hair progressively as lead sulfide forms on the hair shaft.
Why it’s a concern
Lead is a known neurotoxin with no safe exposure level identified by the CDC. The FDA revoked approval of lead acetate in cosmetics in 2018 (effective 2019) after the Environmental Defense Fund petition, noting that safer alternatives exist. Previously found in products such as Grecian Formula.
Also known as
lead(II) acetatesugar of lead
CAS numbers
301-04-2
Commonly found in
progressive hair dye (banned)
Safer alternatives
- plant-based hair dyes (henna, indigo)
- oxidative dyes (with caveats)
Related chemical families
Sources
- FDA Final Rule 2018
- CDC Lead Guidance