Treatment depends on the grade...Acne or  pimples... Due to hormonal changes..Oily skin causes it...Common in adolescent age...May occur in adults also.. Food like Oily foods, ice cream, chocolate and sweets increase it.. Treatment depends on the grade of pimples or acne..So, please  send photos by direct online consultation as it's a must to see which grade of pimples or acne for accurate diagnosis and treatment.

Yes, aziderm cream has azelaic acid which can reduce hyperpigmentation. For active acne, you can use tretinoin or adapalene or benzoyl peroxide creams. You can consult online for proper evaluation and management strategy. Acne improves with treatment definitely, but it may be recurrent. So you should follow one dermatologist long term, for best benefit from time to time.