Pimples are due to hormonal changes, pollution, excess sweating on face, application of cosmetics, wash your face 4 times daily with face washes meant for acne stop applying any creams on face except pimples ointment take Dr. Prescribed tablets depending on severity avoid junk foods avoid milk foods getting pimples in teenage is normal for any person but not taking treatment modifies your face with lot of problems to correct these problems it expensive than what pimples treatment costs so I advice all people with acne to take treatment at skin specialist.