Spots usually start to appear when your body is changing during puberty hormones cause your skin to produce too much oil which blocks up your pores when a pore gets blocked bacteria inside start multiplying this irritates the pore and causes a spot to form many people with acne might suffer from spots on the back and chest treat the face with acnecide gel and the body with acnecide wash acnecide 5 ww gel contain two technologies to help you escape the cycle of spots benzoy