1、Made of medicine grade material, it is safe and healthy, without side effects, and can be used safely. 2、Apply this product to the gums to be protected and harden with a light curing machine to protect the mucosa. 3、No irritation, soft texture, low heat, guaranteeing that it does not irritate the gingiva. 4、Make sure that the coating does not flow on the gingiva and avoid affecting the whitening area of the teeth. 5、This product is suitable for dental clinics and hospitals. It mainly protects gums when whitening teeth. Features: Made of medicine grade material, it is safe and healthy, without side effects, and can be used safely. Apply this product to the gums to be protected and harden with a light curing machine to protect the mucosa. No irritation, soft texture, low heat, guaranteeing that it does not irritate the gingiva. Make sure that the coating does not flow on the gingiva and avoid affecting the whitening area of the teeth. This product is suitable for dental clinics and hospitals. It mainly protects gums when whitening teeth. Specification: Condition: 100% Brand New Item Type: Gingival Barrier Gel Material: Plastic Main Ingredient: medical grade polyacrylic acid resin, photoinitiator, camphorquinone Capacity: 1.5ml, 3ml (Optional) Usage : 1. Open your mouth. 2. Take the cap out of the syringe, hold it and squeeze, put the gel on the surface of the gum, additional Syringe tips will help customer shield the blue gel onto the gum, it's about 2-4mm thickness and 3-6mm width 3. Use LED blue accelerator  to cure for 40 seconds. 4. Start the whitening process. 5. Cleaning after the whitening process. Package List: 10 x Gingival Barrier Gel