and over the course of a few years, I tested a few of them. First up, anti-biting polish. Cheap and accessible, the nail polish-like formula is applied to your nails, and whenever you go to bite ...

ii. Use anti-biting polish This has a nasty taste which will immediately remind you to avoid chewing on your nails. The polish is clear and people won’t notice that you’ve applied anything.

To stop biting your nails, try applying bitter-tasting nail polish, wear gloves, or get regular manicures. Another effective way to stop biting your nails is to try habit reversal training ...

Keep the nails trimmed short as it will reduce the urge to bite them with less area to work with.