This tooth gel is perfect for preventing cavities and can be used from 0 years old. Designed for safe use by both parents and children. - Product Name: Clinica Kids Tooth Gel for Baby Teeth - Purpose: Cavity prevention - Target Age: From 0 years old - Features: Can be used by parents and children - Included: Q&A booklet How about taking a small amount with you when traveling or visiting family? Thank you for looking.