There are very effective liver tonics and blood purifiers which helps in treating cases of acne.  Besides change your eating habits eat simple diet with lots of fruits and say no to fried and junk. External applications won't help much. Internal cleansing is required to reduce the chance of recurrence

Ok do not worry we prepare medicine 4 thT ,if you require consult me

Pimples at this age could be due to hormonal variation and its quite common ,wash your face twice a day with face wash...avoid dust and pollution, don't puncture pimples as it turns black due to scarring, let it fade on its own , don't apply steroids without prescription...The most appropriate treatment is based on the grade and severity of the acne...The following medications are used in the treatment... Retinoid-like agents ,Antibiotics,Selectivealdosterone antagonist,Acne products, When a topical or systemic antibiotic is used, it should be used in conjunction with benzoyl peroxide or topical retinoid to reduce the emergence of resistance...avoid junk foods,carbohydrates like rice etc,avoid oily foods...add proteins and fibre rich foods to your diet with green tea,green leafy vegetables, fruits... Many procedural treatment options are there...consult dermatologist they will do the needful

Treat for dandruff, use कुंकुमादि तैल on face, mild purgative