Things are much more complicated with adult acne. Treatment Acne Cure acne with an all natural acne treatment that eliminates redness, pimples, blackheads whiteheads, acne scar, adult acne and much more. People who are suffering with mild to severe adult acne can be treated with tropical or oral medicines. The main aim of any best adult acne treatment should include prevention of scarring and clearance of acne. For severe form of adult acne systemic therapy is mainly used.