Blue Crystal is a fantastic industrial hand cleaner. A micro grit massages sticky and oily substances away while leaving your skin's natural moisture intact. Blue Crystal removes virtually everything: ink, resin, tar, and of course grease. It cleans deep into pores and around cuticles. Uses recycled polyethylene, not pumice. Never irritating. Leaves hands soft and chap free. No petroleum solvents. Neutral pH. No fragrances or perfumes. Will not clog sinks. Environmentally safe. Non-toxic, Non-hazardous. Does not separate or lose strength.