feature: 1. Use color correction technology to brighten the teeth. By balancing the different shades of your teeth, it hides stains and improves brightness. 2. Color correction all starts with the color wheel, where purple and yellow are opposite complementary colors. Applying purple to the teeth will neutralize the yellow undertones and remove them, revealing a brighter shade of white. Cool, right? 3. We found the perfect deep purple to neutralize the yellow. A new way to clean teeth. Non-invasive whitening treatment. 4. Our Color Corrector combines two water-soluble dyes to eliminate any shade of yellow for the brightest smile without leaving any residue. 5. Clean the teeth without hurting the gums, allowing you to have more beautiful and whiter teeth. Notice: Actual colors may differ slightly from images due to different monitors and lighting effects. Due to manual measurement, please allow 1-3 cm deviation. describe: Capacity: 30ml Color/Style: As shown include: 1 x Teeth Whitener