Protect & Repair Nail Pen: Powered by natural bitter melon extract, this treatment nail creates a strong yet safe deterrent taste to stop kids nail-biting and thumb-sucking. Specifically designed for kids aged 0+, its gentle on delicate skin while effectively breaking bad habitsideal for kids and adults. Safe for Children: Kids Stop Nail Biting Pen is rigorously tested for acute oral non-toxicity and eye irritation-free safety, making it ideal for toddlers and sensitive skin. Even if accidentally ingested or rubbed into eyes, parents can trust its 100% plant-based, chemical-free formula. 5-in-1 Plant Oils for Healthy Nails & Skin: Combines Oat Kernel Oil & Sunflower Seed Oil, and 3 other natural extracts to repair hangnails, soothe dryness, and strengthen nail barriers. Provides 24-hour hydration to keep little hands soft and protected from friction, peeling, or harsh weather. Mess-Free Application: Nail Biting Treatment for Kids is features a one-click pen design (spin out the liquid) for quick, no-spill use. Lightweight texture absorbs instantly without sticky residueperfect for active kids at school, home, or playtime.