The most common treatment, as it is cheap and widely available, is a special clear nail polish that, once applied to the nails, releases a bitter flavor on contact with the mouth which discourages the habit and has demonstrated its effectiveness.
The most common treatment, as it is cheap and widely available, is a special clear nail polish that, once applied to the nails, releases a bitter flavor on contact with the mouth and has demonstrated its effectiveness. This mouth discourages the habit.