Instantly Matches You in 60 Seconds! Brush Lights Up! Reacts to Light & your pH for Your Perfect Lip Color Hypoallergenic Fragrance Free Paraben Free Dermatologist Approved 10 hr Wear* On/Off Switch Full Size Mirror *Under controlled conditions. Makeup Powered by You! 1st Ever Lip Gloss with pH Power Complex transforms into your perfectly personalized hue. Fluorescein Based Dye-senses the pH level of your skin & adjusts within 60 seconds to create your perfect lip color. Photochromic Powders-light adjusting pigments adapt to your environment so color looks the same indoors & outside. Look your Best in Every Light! LED-powered applicator lights up and features a full-size mirror, for touch-ups anywhere & everywhere!