Salicylic Acid gently removes dead cells from the skin's surface, soothes redness and inflammation, helps purify and combat blemishes. By penetrating the inner walls of clogged pores, it helps increase circulation and remove excess sebum while removing foreign substances. Island Lichen is an endemic Nordic herb and helps kill acne-causing bacteria. It is a natural antiseptic that protects the skin against oxidative stress and environmental influences such as smoke, pollution, and ultraviolet light. Apply a small amount directly to blemishes for a visible effect, or to the face to maintain visible clarity with continued use. Avoid eye area and eye contact. This product contains beta hydroxy acid (BHA), which may increase your skin's sensitivity to the sun and especially the possibility of sunburn. Use sunscreen and limit sun exposure during use and for a week afterward.