Hi.. Welcome to HEALTHCARE MAGIC.. I have gone through your query and can understand your concerns.. As per your complain pimples can occur due to causes like Oily skin,Clogged pores,Hormonal Imbalances,Bacterial infection,Inflammation,Excess sun exposure etc. On the other hand scars are left when the pimples are deep and aggressive.. You should consult a Dermatologist and get evaluated and for pimples he can advise you to wash your face with Salicylic acid containing facewash.. Apply topical ointment containing Clindamycin and Benzoyl Peroxide.. Apply retinoids like Adapelene gel in thin layer on pimples at night time.. Do cool compresses over face.. Exfoliate your face twice a week to unclog the pores and remove dead skin.. You can also apply a sunscreen lotion when exposed to sun.. Oral Medication like antibiotics like Clindamycin or Minocycline and retinoid like Isotretinoin can also be advised.. Avoid oily food.. For Scars the topical medications alone cannot resolve and treatment will depend upon the type of scars like Boxcar scars, waterpik scars etc.. For scars treatments like Microdermabrasion, microneedling,excision with elevation, dermal rollers, Fractional CO2 lazers etc depending upon the scar type can be done.. You can however start applying silicone gel over the scars.. Hope this information helps.. Thanks and regards. Dr.Honey Nandwani Arora.