Blemishes and blackheads appear when pores are blocked and dead skin builds up on the surface of your skin. Scrubbing is the best way to get rid of the top layer of skin, but you need to still be gentle with it too. Scrub too much and you’ll send the skin’s natural repair mechanism into overdrive, producing even more oil! Skincare specialists advice once a week with a gentle scrub. A daily scrub is a no-no!