Kitty litter that is made from clay or bentonite is slightly radioactive. GK Hart/Vikki Hart, Getty Images Cat litter is sufficiently radioactive that it can set off radiation alerts at international border checkpoints. Actually, it's not all cat litter you need to worry about -- only the stuff made from clay or bentonite.
Deep folliculitis is usually more severe. Follicles are densest on your scalp, and they occur everywhere on your body except your palms, soles, lips and mucous membranes. Damaged follicles are at risk of infection. The most common causes of follicle damage are: Friction from shaving or tight clothing.
Kerion (inflammatory Tinea capitis) Another cause of sores or lesions on the scalp is inflammatory Tinea capitis. It is caused by Tinea capitis which is medical term for yeast of the skin on the scalp. Unlike folliculitis, kerion is influenced by fungal infection. It is identified by pustules with tender areas.