Introducing the Nail Anti-Biting Thumb Sucking Pen, a solution to help you or your child break the habit of nail biting. This pen is designed to be bitter and unpleasant tasting, discouraging nail biting and thumb sucking. It is suitable for children, students, and adults over 1 year old. The main ingredients of this pen include water, Coptis extract, Momordica charantia extract, and peppermint. These natural ingredients are safe and non-toxic, ensuring that it is harmless to the human body. The pen has a shelf life of 2 years and comes in a convenient 10ml size. To use the pen, simply apply it to the surface of the nails in the morning and allow it to dry for 3-5 minutes. For best results, apply the pen again before going to bed or during normal nail care. In addition, a nourishing nail care lotion is included to promote absorption and provide extra care for the nails. Say goodbye to the frustration of nail biting with our natural and effective Nail Anti-Biting Pen. It is the perfect solution for parents who want to help their children break the habit, as well as for individuals who want to stop biting their nails. Order now and take the first step towards healthier nails! Key Features: Discourages nail biting and thumb sucking Safe and non-toxic ingredients Shelf life of 2 years Convenient 10ml size Suitable for children, students, and adults Includes nourishing nail care lotion Promotes absorption and provides extra care for the nails Helps break the habit of nail biting Product list: 1-3* Bitter nail water