what are the harmful ingredients in cosmetics?
['Formaldehyde, a known carcinogen.', 'Paraformaldehyde, a type of formaldehyde.', 'Methylene glycol, a type of formaldehyde.', 'Quaternium 15, which releases formaldehyde.', 'Mercury, which can damage the kidneys and nervous system.', 'Dibutyl and diethylhexyl phthalates, which disrupt hormones and damage the reproductive system.']