1. Main ingredient: medical grade polyacrylic acid resin, photoinitiator, camphorquinone 2. 100% brand new & high quality
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.