Teeth Whitening KITS Suit for *suit all the people who want a more beautiful smile *whiten teeth stained by smoking or stain 1. KIT for l people,gel type;2. Main Component:- 16%or22% Hydrogen Peroxide(gel) 3ml*2Pcs;- Gingival Protection Gel 2.5ml;1 Piece;- Teeth Desensitizing Gel 3ml:1 Piece.