| 摘要 |
A transparent dentifrice is provided that has excellent abrasive performance. The dentifrice comprises from about 10 wt.% to about 13 wt.% water, and an abrasive, low-structure, precipitated silica having a refractive index of from about 1.439 to 1.450, an oil absorption of from about 90 ml/100g to about 120ml/100g, a light transmittance of greater than about 60%; and a Brass Einlehner abrasion value of less than about 5 mg loss/100,000 rev. Additionally the dentifrice has: a haze value of less than about 50; an RDA of about 50 to 200; and a refractive index of from about 1.439 to 1.450.
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