How to Use Gingival Barrier Protection Gel? Step 1: Remove cap on the top of the Gingival Barrier, apply the long cap to the Gingival Barrier.Step 2: Use cheek retractor to open your mouth.Step 3: Apply the Gingival Barrier gel to the surface of your gums.Step 4: Use curing light to speed up dry process.Step 5: Start teeth whitening.Step 5: Remove the curing protector gel after whitening process. WARM TIPS: Storage conditions: Keep in a cool and dry place away from sunlight! If the external ambient temperature is too high, the extruded gel may become thin (runny/watery). It is recommended to place it in the refrigerator for one hour before use. Easy to replace the clinging lid and easy to use. Take out the metal tip that comes with the set Replace the clinging lid with a metal tip Easy to squeeze out the blue gum protection gel Comfortable to Use Soft like silicone, very comfortable. Protects the gums and soft tissue when whitening teeth. Enjoy the whitening teeth comfortably. METAL TIP Comes with a metal tip for precise application Get the Result as Dental Clinic Spend less money and time to get the same whitening teeth effect as in dental clinic. Gingival Barrier Protection Gel Teeth Whitening Pen Teeth Whitening Strips Purple Toothpaste Add to Cart Buying Options Buying Options Buying Options Customer Reviews 4.4 out of 5 stars 197 3.9 out of 5 stars 49 4.6 out of 5 stars 3 3.2 out of 5 stars 4 Price $28.99$28.99 — no data — no data — no data Quantity 10PCS 5PCS ✓ ✓ Specifications 3ML 3ML 14PCS 30ML Easy to Use ✓ ✓ ✓ ✓