Mavala Bitten Nails and Cuticles Stop Pen is a nervous habit, which can rapidly become uncontrollable and quickly worsen the appearance of nails and their contour. The Mavala Stop-Pen has been specifically developed to help break the habit of putting fingers in the mouth and restore and keep beautiful nails. It is an applicator pen moistened with a bitter tasting aqueous solution, enriched with a botanical extract that nourishes cuticles and soothes nail contour. Nails and their contour will regain a beautiful and well-cared for appearance. A handy and nomadic format to take everywhere with you. Formulated with 72 percent of natural origin ingredients. Contains Denatonium Benzoate, a bitter ingredient, which releases an unpleasant taste when in contact with saliva and Bulbine frutescens extract (Mannan), a plant native of South Africa that nourishes and soothes the skin around the nails.