 [ Symptoms ] what can i do to keep adult acne at bay [ Disease ] it could be psoriasis or a condition called seborrheic dermatitis both are chronic conditions but have different underlying causes and somewhat different treatments you can start by using a salicylic acid based wash and otc hydrocortisone and a salicylic acid or tar based shampoo if it does not improve your dermatologist will be able to evaluate and offer prescription treatments to better control the condition