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.
Other forms of folliculitis are caused by products used on the scalp that block the pores, and in other cases, problem sometimes shows up without an apparent reason. Most folliculitis on the scalp is caused by bacteria. Know the Signs of Bacterial Infection. Tenderness of the scalp is an important sign. Yes, some people are considered to be tender headed, but with bacterial infections areas of tenderness develop that are very sensitive to the touch.