Motul Helmet Interior Clean is a bactericidal sanitiser (NF EN 1040, 1276 standards) for inside helmets foams. Spray uniformly on the foams inside the helmet. Leave to work and wait till completely dry before wearing again. Motul Helmet Interior Clean sanitises and thoroughly cleans the inside of the helmet, eliminating bacteria due in particular to perspiration, and neutralising unpleasant odours. The product has been dermatologically tested as non-irritating to the skin.