It also helps clear away excess oil and dead skin cells from the affected area. Benzoyl peroxide is usually found in strengths varying between 2.5 percent to 10 percent in over-the-counter products.
[header] How to treat scalp pimples [title] Use benzoyl peroxide. [step] Benzoyl peroxide is a common ingredient in acne washes and lotions. It works by killing bacteria that may otherwise clog pores to form new pimples.