Keep your nails trimmed short. Because there are less nails, there are fewer things to bite, which means that the incentive to bite your nails is minimized.
Apply bitter-tasting nail polish to your nails. Many individuals are deterred from chewing their nails by this harmless, but gross-tasting, over-the-counter solution.
Get regular manicures. Investing money to maintain the aesthetic appeal of your nails may reduce the likelihood that you will bite them. To stop biting, you may also wear gloves or use tape
Replace the nail-biting habit with a good habit. Instead of biting your nails when you feel like it, try playing with silly putty or a stress ball. This will assist in keeping your hands occupied and out of your mouth.
Identify your triggers. This might be boredom, worry, anxiety, or physical triggers like hangnails. By discovering what makes you bite your nails, you can prevent it and quit.
Try to gradually stop biting your nails. Some physicians advocate gradually breaking the habit. Start by not chewing your thumb nails. If that works, remove your pinky, pointer, or whole hand.