The EPS liner doesn’t require maintenance or cleaning, but it benefits from a clean environment. Sweat and skin oil accelerate its breakdown, which is why most helmet manufacturers suggest ...

Motorex Helmet Care cleans helmet liners. It can also clean the outside of the helmet shell, but we’d rather use other products for that job. It has a sickly-sweet perfume or chemical smell, which is ...

Read MCN's expert guide to motorcycle helmet cleaning - our step by step on how to deep clean both inside and out, will have your lid looking and smelling like new.

Helmets with non-removable liners must be completely immersed. A word of warning: Although Arai and Shoei use adhesives that aren't affected by water, other helmets may not be so designed.