Features:1. Repair Tooth Enamel, Strengthen Teeth And Not Be Afraid Of Sour And Spicy Food2. The Outer Layer Of Tooth Enamel Protects The Tooth Surface From Daily Hot And Sour Contact.3. Middle Dentin, Protect Dentin, Reduce Non-exogenous Pigments, And Prevent Tooth Yellowing4. The Inner Layer Of The Dental Pulp Protects The Dental Pulp, Strengthens The Teeth, And Makes The Teeth Stronger.5. Rich In Mint Flavor, Refreshing Mint Freshness Every Day6. The Packaging Is Safe And Reliable, The Double-layer Protection Is Clean And Hygienic, And The Lid Can Be Twisted And Flipped, Making It More Hygienic And Reliable.7. The Foam Is Fine And Can Clean Deeply Between Teeth.