Tooth enamel can erode for many reasons, often from acids lingering in the mouth and a lack of viable nutrients If enamel wears thin, sensitivity to cold and hot temperatures can develop, followed by cavities and decay Discoloration and yellow teeth are common attributes of thin enamel Once enamel is gone completely and dentin is exposed, irreversible tooth loss can occur Uncle Harrys Remineralization Kit is a natural, safe, and effective way to correct and prevent continued loss of tooth enamel Daily use can help strengthen enamel and stabilize cavities from further demineralization Each kit includes: (1) All Natural Tooth Powder (2 fl oz) (1) Miracle Mouthwash (2 fl oz) (1) Liquid Remineralization for Tooth Enamel (1 fl oz) Uncle Harrys Natural Products is dedicated to making earth-friendly products at people-friendly prices Their mission is to respect the Earth and all of its inhabitants by offering the cleanest and most affordable body care products available, using only the finest quality, minimally processed ingredients, including local, organic, cruelty-free, and sustainable raw materials completely free of fluoride, carrageenan, triclosan, artificial sweeteners, and sodium laureth sulfate (SLS) gluten Free, glycerin Free, Vegan Made in the USA