Number one: sales leader on the market in Latin America. Excellent viscosity: does not run off the tray. pH close to neutral: prevents demineralization of the enamel and the dentin. Desensitizing action: in addition to glycol and high water content, it has an excellent combination of desensitizers, such as potassium nitrate and sodium fluoride, that have scientifically proven effectiveness. Long-lasting whitening: the content of the kit, when administered correctly, is sufficient for complete, lasting whitening of both arches. Versatility: can be combined with in-office whitening. Practicality: offers ease in touching up whitening performed previously. Touch-up: the mini kit contains enough gel for whitening of one arch, or for a complete touch-up (upper and lower arch). Yield: each syringe yields up to 9 applications.