Stops fingernail biting. Can be used over nail polish. Ideal for children or adults. 100% cruelty free. SuperNail Bite No More is a fast effective way to end the nail biting habit and stimulate healthy nail growth. Apply Bite No More over entire nail each time you wash your hands and also at bedtime. Allow to dry thoroughly. Continue using Bite No Moe for three months after nail biting has ceased.