Posted on December 3, 2014November 11, 2016 by Kate Wills 10 Ways to Reuse Old Toothbrushes 4. Clean Your Finger Nails Brush that dirt out from under your fingernails. Just put a little soap and water on the brush, and rub thoroughly. The nails are clean! image source Pages: 1 2 3 4 5 6 7 8 9 10