Warning: 1.Keep out of reach of children. 2.If you have slight sensitivity, it is recommended to apply teeth desensitizing Gel gel during treatments.Not recommended if severe irritating symptoms occur. 3.Avoid contact with eyes or skin.If contact occurs,rinse with water. Do not use if you wear braces have gum disease or any issuses with decaying teeth. 4.Do not use if you have had recent aral surgery or have any open wounds in your mouth. 5.This product is not recommended for pregnant or lactating women or children under 12 years old. 6.Do not swallow any of the gel. Package Includes: 10*3mL Whitening Gel Syringes