US Patent 9717674 Skin cleansing compositions comprising biodegradable abrasive particles

A skin cleansing composition having biodegradable abrasive particles, is provided. The abrasive particles have a mean Circularity of from about 0.10 to about 0.60 and a mean particle size as expressed by the area-equivalent diameter of about 500 μm to about 2,000 μm and a Biodegradable Rate of about 30% to about 100%. The composition has a structured surfactant phase or surfactant phase having a Yield Stress of about 1 Pa to about 100 Pa or a Yield Stress of about 0.1 Pa to about 10 Pa, respectively.