Crushed walnut shell is a hard fibrous material ideal as abrasive. Its grit is extremely durable, angular & multi-faceted, yet considered a soft abrasive. Fine particle size. A fine light-brown powder, characteristic oder insoluble in water. Suspends well in thick gels and creams. PROPERTIES: soft but effective abrasive. It is natural, non-toxic, biodegradable, reusable & compatible with anionic, non-ionic & cationic surfactants. USE: add to formulas as is, usual final concentration 5 - 50%. APPLICATIONS: Soap, body/feet scrubs, facial scrubs & masks, skin cleansers, peeling creams & lotions.