Specifications: Net weight: 4ml Weight: 15g Ingredient: water, glycerin, mint, etc. How to use: 1: Clean Your Mouth with Warm Water and Dry Your Teeth. 2: Open the Cap, Twist the other End of the Pen, and Brush the essence onto the Teeth.Do not touch the Teeth Within 30 Seconds to 1 minute. 3: Clean Your Mouth After 30 Minutes. Package content: 3PCS Frosty Neptune Teeth Essence Comments: 1. Due to Manual Measurement, There May be 1-2 cm of error. 2. Due to Differences in Monitors and Lighting, The Pictures May Not Show the Actual Color of the Item.Thank you for your Understanding.Easy to carry: Frosty Neptune Teeth Essence is designed to be more accessible and easy to use.This convenient teeth whitening pen offer A Portable-Sized Dose of Whitening essence that you can applly anytime, Anywhere!.Easy to use: The Tip of the Dental Kit Has a Small Brush, which Makes it very convenient and easy to ""Apply"" The essence Formula Directly to the Teeth, Evenly Coating The Teeth Without Making.Precise aiming: The Brush Head is fine and focused, effective Apply the gel to the target area on the tea.Remove Years of Stains: Tooth Pen Can Effectively and Quickly Remove Years of Stains Caused by Coffee, Tea, Wine, Soda, Soda, etc. Its Natural Flavor Will Leave Your Mouth Feeling Fresh!.Natural Teeth Whitening essence: This tooth-safe serum will make your teeth visibly better with every use while protecting your teeth, making it an excellent choice for those with sensitive tea.Specifications: Net weight: 4ml Weight: 15g Ingredients: water, glycerin, mint, etc. How to use: 1: Clean your mouth with warm water and dry your teeth. 2: Open the cap, twist the other end of the pen, and brush the essence onto the teeth. Do not touch the teeth within 30 seconds to 1 minute. 3: Clean your mouth after 30 minutes. Package content: 3Pcs Frosty Neptune Teeth essence Comments: 1. Due to manual measurement, there may be 1-2 cm error. 2. Due to differences in monitors and lighting, the pictures may not show the actual color of the item. Thank you for your understanding.Easy to Carry: Frosty neptune teeth essence is designed to be more accessible and easy to use. This convenient teeth whitening pen offers a portable-sized dose of whitening essence that you can apply anytime, anywhere!. Easy to Use: The Tip of the Dental Kit Has a Small Brush, Which Makes It Very Convenient and Easy to ""Apply"" The Essence Formula Directly to the Teeth, Evenly Coating the Teeth Without Making a Mess. Precise Aiming: The brush head is fine and focused, effectively applying the gel to the target area on the teeth. Remove Years of Stains: Tooth Pen Can Effectively and Quickly Remove Years of Stains Caused by Coffee, Tea, Wine, Smoking, Soda, Etc. Its Natural Flavor Will Leave Your Mouth Feeling Fresh!. Natural Teeth Whitening Essence: This Tooth-Safe Serum Will Make Your Teeth Visibly Better with Every Use While Protecting Your Teeth, Making It an Excellent Choice for Those with Sensitive Teeth.3Pcs Frosty Neptune Teeth Whitening Essence,Teeth Whitening Essence Pen,Fast and Effective Removal Tooth Stain Removal,for Sensitive Teeth