One dollar of every sale of ROCKSTAR White Teeth Whitening Kit goes to Breast Cancer Research (www.circleofhopeinc.org). This brand's formulation is marketed as the highest-strength over-the-counter teeth-whitening solution. Its ingredients are all-natural, kosher and made in the USA. No animal products are used, and it is not tested on animals. Call 888.944.8313 or visit www.rockstarwhite.com.