The Very Good Smile Whitening Kit contains: 1 Gel of 10ML made in France - Mint taste 1 User Guide in French 1 LED lamp — batteries included 1 universal gutter 1 Shade Guide A complete kit that allows you to gain 1 to 2 shades of whiteness on the color of your teeth! - 20 to 30 minutes per day only - 7 to 10 days of use - Visible results from the first applications Designed to help get rid of yellowing caused by tobacco, coffee, tea, wine... or any dull and yellowed dental base. Deep action to combat yellowing of the teeth. Lamp with LED technology to increase the effect of bleaching.