In one sentence, describe what the following article is about:

Wash your hands and nails with water and soap, then dry them thoroughly on a towel to begin with a clean and dry surface.  Make sure to completely remove any nail polish you already have on using nail polish remover and a cotton pad, cotton ball, or other preferred method. Magnetic nail polish can be applied to the toenails as well. Prep toenails in the same way as fingernails.

Summary:
Clean and dry your fingernails.