Helps Avoid Putting Fingers In Your Mouth To Keep Beautiful Nails.Nail Biting Is A Very Bad Habit, Which Can Worsen The Appearance Of Your Nails. It Is A Clear Enamel With A Bitter Taste That Allows To Maintain Nails And Their Contour In Good Condition, By Helping Break The Nail Biting Habit And Avoid Putting Fingers In Your Mouth Or Thumb Sucking. To Use Without Or Over Your Nail Polish.