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.

Hello dear, You need to share other details and clinical photographs for proper workup and treatment plan Stretch marks are mainly caused due to excessive weight loss most commonly. Stretch marks are tearing of collagen fibres for which creams or gels won't work but still you can prevent then further Co2 lasers and stretch peels work well but multiple sessions required and results are 60-70 %

Hello dear. Please share your pictures via online consultation for proper evaluation and precise treatment