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.
Bumps on the scalp can be indicative of several conditions. Red, painful bumps can appear on the scalp for several reasons. Skin conditions, infections and irritation may cause hair follicle inflammation, leading to pimple-like bumps or rashes and even hair loss in some areas. Understanding possible reasons for their development can help guide treatment and responsiveness.