Lead acetate is a chemical compound obtained by the reaction of lead oxide with acetic acid.

Chemical name lead(2+);diacetate

Safety
It is an ingredient that could cause severe irritation.
Van Esch GJ, Kroes R. The induction of renal tumours by feeding basic lead acetate to mice and hamsters. Br J Cancer. 1969 Dec;23(4):765-71. doi: 10.1038/bjc.1969.95.

What it is used for and where
Cosmetics
Hair dyeing. It is an ingredient that adds a colouring to the hair that can be temporary, semi-permanent or permanent depending on what other ingredients are added to achieve the result. The pH for hair dyeing is generally between 9 and 10.
Synonyms: EC number 215-630-3

CAS: 1335-32-6