It contains hydrogen peroxide which makes self-tooth whitening effectiveness.
This product has fine brushes that apply the contents to all corners of the teeth.
It can be used safely. There is no direct damage to the tooth because the foreign material on the teeth reacts with the components of this product.

Ingredient

Active ingredient: hydrogen peroxide 35%
Other additives: glycerin, sodium saccharin hydrate, Sodium citrate hydrate, citric acid hydrate, erythritol, ethanol, Purified water, colloidal silicon dioxide, povidone (K29/32), povidone (K90), Polysorbate 80, Polyethylene glycol 400, Fragrance, Enzyme-treated Stevia

How to use

After brushing the teeth, remove moisture from teeth.
Open the cap and turn the bottom part clockwise once until a small amount of gel brings out.
Spread the gel thinly on teeth and not to touch the gums.
Do not close your mouth for about 1-2 minutes until the gel is dry.
Rinse your mouth with water after 30 minutes.
* Do not eat food or brush the teeth immediately after use this product.