Bob Heath is one of the best known visor anti-fog sprays. The Bob Heath Visor Spray comes in a handy sized tin that you can keep in your pocket.

It is not recommended for use on visors with an anti fog coating.

Instructions:

Ensure visor is clean and dry. Lightly shake can. Apply evenly to the visor on the inside only. Allow to dry and any vapours to disperse before using.