Blackheads. Tretinoin (retin-a, atralin, renova) is the mainstay of treatment for whiteheads and blackheads. Tretinoin is a derivative of vitamin a and works by increasing cell turnover and reducing the "stickiness" of the sloughed cells. It helps expel the plugged material returning the pore to normal. Tretinoin can be irritating, so specific instructions should be followed.
Comedone Extractor. Wash face w gentle cleanser 2x/day ; use oil free products. No oily hair or heavy foundations. Exfoliate occasionally. Try not to pop pimples. Avoid touching face (cradling chin in hands). Remove makeup before bed. Shower after strenuous exercise. Consider otc products (salicylic acid or benzoyl peroxide). If > mild acne see dermatology (discuss meds, comedone extractor, pore strips, etc.).