School and work are major stressorsdon't take it out on your tips. Avoid picking at nails and cuticles (which can cause inflammation and infections), and get into the habit of rubbing moisturizing oil over them daily so they stay smooth. Also, resist switching your polish at the sight of every chip, says N.Y.C. dermatologist Debra Jaliman, as acetone-based removers can be drying. Try the CND Vinylux system; the color formula sticks for up to a week without chipping and comes off with a few swipes of remover.Essie Apricot cuticle oil, $8; essie.com.
CND Vinylux Weekly Polish System in Beau and Purple Purple, $10 each; cnd.com for salonsRead MoreLess