It can also decrease a person's self esteem and confidence. Acne is not contagious and poses no risk to others. The most important thing in treating acne is to keep the skin gently cleansed and pores unclogged. Many cleansers may aggravate the acne, especially if the person vigorously scrubs the area. Benzoyl peroxide works by killing the bacteria that can inflame the hair follicle.
Salicylic acid helps unclog pores and prevent abnormal shedding of skin cells.
Retinoids are used for moderate to severe acne. They work by reducing sebum production, killing bacteria, and making skin growth and shedding normal. These medications are generally applied to the skin. Isotretinoin, also known as Accutane, is a powerful oral medication used for severe acne. It is currently the subject of investigation by the Food and Drug Administration, or FDA, for a host of side effects.