Read more Features: Our gum protector gel protects the gums and soft tissue when whitening teeth It is very soft, like silicone, very comfortable. Very easy and safe to remove from gums Suitable for dental clinic, beauty salon, dentistry and home use The gum barrier gel is used when teeth whitening It can be harden in about 2 seconds Package include 10 Pcs of Gingival Protection Gel. Each comes with a protective cover for easy use and storage. How to use Gingival Barrier Gel ? Clean Oral at first, put on the cheek retractor. Take out the cap, Bring curved needle tips, hold it and squeeze, paste the gel on the surface of gum until it covers and protects gingival well(it's about 2-4mm thickness and 3- 6mm width) Use LED curing lighting about 30-40 seconds till it become solid Start the teeth whitening process Remove the Gingival Barrier gum protector gel after the whitening process Read more Comfortable to Use Quality silicone, it is soft and confortable for use. You will feel cool and fresh while using it. Enjoy the whitening teeth comfortably. High Efficient It can be harden in about 2 seconds Long Shelf Life The gum protector has 2 years shelf life. Read more Package Includes: 10 PCs Gingival Protection Gel