How to remove dead cell and black marks made because of pimple in face?

Dermabrasion and. Exfoliation will do the trick to remove dead cells. All kinds of methods to improve the skin. Retin a (tretinoin) along with sunscreen and moisturizer and an exfoliator will improve the skin. Laser, ipl, microneedling, chemical peels can all help improve the appearance of your skin.