Here are some tips to prevent hangnails:
1. Avoid nail biting as from nail biting possibilities of hang nails are more which can turn painful also.
2. Don’t let your skin dry so that growth of hangnails can be avoided as hangnails are due to the problem of dry skin.
3. Have regular session of manicures and pedicures this will lead to your cleanliness of your nails which in return will avoid hangnails to grow.
4. Apply lotion twice a day on your nails and finger tips to avoid hangnails. You can also apply some oil to do that.