New, even more effective formula with 50% more whitening strength and enhanced stability. LINHART Tooth Whitener Gel is the perfect supplement to your everyday toothpaste. Just add a drop of their smooth mint peroxide based gel on top of your normal toothpaste, and brush normally. It offers an effective, stable, and easy to use tooth whitening formula that fits into your everyday routine. For optimum health and whitening, use with our LINHART Toothpaste and Antibacterial Nano-Silver Toothbrush