Nós somos o melhor preço do campo, bem-vindo a comprar!Step 1: Prepare the mouth trays.Heat the mouth tray in 80% hot water and heat it for about 10 seconds. Place the mouth tray over your teeth, use your fingers gently, try to shape your teeth, place the trays firmly against your teeth.Step 2: Compare the teeth used.Step 3: Apply a thin layer of whitening gel to both mouth trays and spread evenly (0.25 to 0.4 ml for each tray is just wasted).Step 4: Insert the mouth trays into your mouth and over your teeth, place the trays firmly against your teeth.Step 5: Have the client insert the tray for 10 minutes or 7 minutes and then rinse with water.Step 6: After teeth whitening, use mouth spray. It can make you breathe fresh. Repeat this full treatment 2 times, be sure to rinse and dry the tray between sessions, or once a day after 3 days, compare before and after with the tooth shade guide, we can improve teeth by 7 to 10 shades. The 10 -piece set includes:10 x Whitening Gel (3ml per 2 ) Seller Guarantee: 7 days