Heat the mouth tray under hot water and warm it up about 10 seconds. Put the mouth tray over your teeth, use your fingers and gently push it on till it holds onto your teeth, set the trays firmly against the teeth.
Step 2: Compare the teeth using teeth shade guide.
Step 3: Apply a thin layer of whitening gel to both mouth trays and spread evenly(0.25 to 0.4ml for each tray, any more is just wasted).
Step 4: Insert mouth trays in the mouth and over the teeth, set the trays firmly against the teeth.
Step 5: Insert the tray for 10 minutes or for 7 minutes, then rinse with water.
Step 6: After teeth whitening, use mouth spray. It can make you fresh breath. Repeat this complete treatment 2 times. Make sure you rinse & dry the tray between sessions or once a day. After 3 days, compare before and after with teeth shade guide, You can see teeth improved 7-10 shades.