Commodity Quality Certification : ULTeeth Whitening Gingival Barrier / Dental Gum Dam / Professional Gum Protector GelInstructions:Main ingredient: medical grade polyacrylic acid resin, photoinitiator, camphorquinoneIt is very soft as silicone and comfortable to gum.A bad gel is very hard and uneasy to take off, sometimes will hurt the gum during taking offChoices : 1.5 ML / 3MLpacking : 10 pcs /lotUsage :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 gumit's about 2-4mm thickness and 3-6mm width3. Use LED blue accelerator to cure for 40 seconds.4. Start the whitening process.5. Cleaning after the whitening process.Packing:10pcs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store