WS-5 10% Cooling Solution Cooling Agent WS-5 is the latest in a long line of cooling products. Each have their own different ways of cooling different areas of the mouth and tongue and to different degrees. WS-5 is one of the strongest of all the cooling agents and is derived from menthol, although it is virtually odorless and has no taste. It provides a smooth and well rounded cooling effect and primarily affects the roof of the mouth and the back of the tongue. Recommended Mixing Percentage: 0.5% – 1.0% Ingredients:WS-5 Cooling Agent ( N-[(ethoxycarbonyl)methyl)-p-menthane-3-carboxamide), suspended in Propylene Glycol. Diacetyl free, Acetoin free and Acetyl Proprionyl free. For industrial and research purposes