Functional groups which are added to morphine and its esters to make active opiods include the benzoyl, acetyl, formyl, propionyl, butroyl, buytl, salicoyl, nicotinoyl, cinnamoyl, and others.
Water-based, gentle cleansers are ideal for all skin types, though particularly acne-prone skin may require medicated cleansers containing benzoyl peroxide or salicylic acid to discourage acne.
