http://www.menthogen.com/
That's the spray. They also have a shampoo.Alcohol, Aqua, Propylenum Glycorum, Salvea Sclarea, Cedrus Manetti, Humulus Lupus, Menthol, Coffeinum, Estradolium, Acidum Citricum, Methyl Nicotinicum, Piroctone Olamine, Alkyl Dimethyl Benzyl Ammonium Chloride.
Their theory on what causes itching- 'specially when wearing helmets 'n hats ''n stuff: http://www.menthogen.com/what-causes-he ... -itch.html
i) Build up of sweat and therefore bacteria in the helmet lining (most common cause of irritation)
ii) Static build up whilst travelling (difficult to prove)
iii) Reaction to helmet lining (least common cause of irritation)