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Fact Sheet: Formic Acid.

INCI name: Formic Acid

Function: Preservative, masking agent, pH adjuster.

Origin: Synthetic.

Concentration allowed by European regulations : Up to 0.5% (as acid) in finished cosmetic products.

Where to find it / them? : Shampoos, shower gels/creams, liquid soaps, hair dyes, face serums, eye creams.

Risks to health: Suspected endocrine disruptor, potential irritant, toxic by inhalation.

Risks to the environment : /

More information : Also used as a food additive (E236).