Elbow Grease H2O Thin Gel has a soft velvety smooth texture mimicking the body's own natural lubrication. It is water-based, long lasting, greaseless, safe, latex compatible, odorless and washes of with water leaving no residue on the skin. Keep some handy at all times! H2O THICK and H2O THIN GELS are both unscented. They differ in density only. Their viscosity is the same.