Thum Thumb Sucking & Nail Biting Liquid, 0.20 Fl. Oz.

Proven effective by clinical studies. Active Ingredients: Cayenne Pepper Extract; Citric Acid; Isopropyl Alcohol; Acetone; Lacquer Uses: For adults, teenagers and children. Help break the habit of nail biting and thumb sucking with the first application. THUM contains a bitter tasting, but harmless pure vegetable product which acts as an immediate reminder whenever user puts finger in mouth. Unlike other preparations, THUM contains no ingredients to cause nausea or upset stomach.