Why should mica be placed in the toothpaste?
Mica is a crystalline form of hydrated potassium aluminosilicate natural mineral, it has a safe, non-toxic and harmless characteristics of toothpaste in the composition of mica, mainly whitening, glossy teeth function.
So add some mica powder in toothpaste, which is good for cleaning teeth. There is no whitening effect, but the crystalline structure of the sheet reflects the light. If it is covered on the surface of the tooth, it has the function of increasing the brightness of the teeth.But the most useful thing for whitening teeth is instant cleansing, not whitening.
And mica is a crystalline compound of strong hydrated potassium silicate, aluminum, magnesium, lithium, etc., and is a safe and natural substitute for calcium carbonate.
Toothpaste is mainly cleaning action, so you need relatively hard particles, usually calcium carbonate and calcium carbonate substitutes.
