Muc off helmet foam sanitiser foam fresh muc off foam fresh is a highly effective easy to use foam cleaner which isi ideal for all helmet liners foam fresh has an instant foaming action which gently agitates dirt and grime away from the surface leaving a fresh citric burst fragrance even the cleanest looking helmet benefits from this uniquely formulated product highly effective cleaning action cleans and freshens helmet liners etc lifts surface dirt and grime easily wiped away