Cosmo got pro advice for rehabbing bad beauty behavior (we're all guilty of some). Now you can go about looking hot the right way.
1. Nibbling on Your CuticlesWhy it's a no-no: Torn cuticles lead to hangnails and infections, says Jessica Vartoughian, owner of Jessica Nail Clinic in Los Angeles.
Rehab: Keep the skin around your nails moisturized, says Vartoughian. "If it's hydrated, you'll have fewer snags and be less tempted to pick at it." Rub a thick cream or oil into your cuticles daily and massage them with an exfoliator every few days. Also, push overgrown skin back with a cuticle stone after showering, when they're soft. You can also try a bitter-tasting nail polish designed to keep you from putting your fingers in your mouth.
2. Swapping Your Strand Shade FrequentlyWhy it's a no-no: Trading your tress tint occasionally is okay, but dyeing your hair too often can make it weak and lead to an identity crisis. Sure, celebs like Rachel McAdams and Ashlee Simpson constantly switch up their hair hue, but they do it for a movie or to capture attention on the red carpet. And they put in major moolah and extra TLC to undo or hide the damage.
Rehab: First, try diverting your desire for novelty from hair color to makeup, since it's easier to experiment with lipstick and shadow on a weekly basis. And when you get to the point that you just have to color your coif, take this advice from Pantene celebrity colorist Rita Hazan: