Perricone MD Acne Relief Calming Treatment & Hydrator The Perricone MD Acne Relief Calming Treatment & Hydrator ($45) is meant to be used after your cleanser to treat acne while also hydrating your skin. Succinic acid is joined by lactic acid to kill acne-causing bacteria trapped in your pores. Image Source: ulta.com Perricone MD Acne Relief Calming Treatment & Hydrator $45 from ulta.com Buy Now