Have clients coming in with stained nails? Instyle reveals the remedy for getting rid of nail stains that come from dark polish.

N.Y.C. manicurist Patricia Yankee says to soak nails for a few minutes in a half lemon juice, half olive oil solution. For tougher stains, "N.Y.C. manicurist Jin Soon Choi recommends dabbing whitening toothpaste onto nail beds." Rinse off paste, buff, and tell clients to always apply a base coat.

Featured buffers are: Revlon Shape-n-Buff and Dashing Diva Shine-On buffer.