Azelac Lotion by Sesderma. Don't know what to do about pimples on your back? Or those ingrown hairs that ruin your skin. una Perfect wax? | This lotion is particularly suitable for large areas of oily or acne-prone skin: face, neck, back, scalp, arms, and legs. It's great for ingrown hairs, a condition called folliculitis caused by shaving and waxing. And its spray format allows for access to all areas of the body. It soothes, reduces redness, and regulates sebum.