Columbia subject headings:
Carcinogens.
Chemicals--Law and legislation--United States.
Cosmetics--Law and legislation--United States.
Hair dyes--Law and legislation--United States.
Harvard subject headings:
Princeton subject headings:
Carcinogens.
Chemicals--Law and legislation--United States.
Cosmetics--Law and legislation--United States.
Hair dyes--Law and legislation--United States.