Fact Sheet: Formaldehyde (Methanal)

INCI name: Formaldehyde.

Function: Preservative.

Origin: Synthetic.

Concentration allowed by European regulations : Banned in Europe.

Where to find it / them? : Hair serums, nail polish, shampoos, conditioners, shower gels, liquid hand soaps, nail hardeners, hair gels, lotions, deodorants, moisturizers, cleansing creams, toothpastes.

Risks to health: Proven carcinogen, potential skin irritant, potential allergen.

Risks to the environment : /

More information : Classified as a human carcinogen by IARC.