If the knitting fails and you do end up with an acne scar, fight it fast with a mild exfoliant. This will help get rid of the scarred skin cells (and it helps with acne too). Look for ingredients like rice extract, salicylic acid or lactic acid. Try Neutrogena Oil-Free Acne Wash Redness Soothing Gentle Scrub, $7.99. Follow the directions on the bottle for how often to use it.

While you do want to get rid of a scar while it’s still new, you don’t want to overdo it with the exfoliating. Remember that too much of anything can irritate your skin and cause more zits, and then we’re back where we started …