- Muc-Off Foam Fresh is a highly effective, easy to use foam cleaner which is ideal for helmet liners or any soft material which comes into contact with the rider. 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 riding gear benefits from this uniquely formulated product. It's awesome for use on pads, gloves, shoes, liners and body armour.