Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to remove dirt under your nails.
Use a disposable mascara wand dipped in polish remover to clean under the free edge. The bristles combined with the chemicals in the polish remover will shake the dirt loose.
Soak hands in warm water, then gently scrape dirt with a nail brush.