Harris Heads Up - Improves Head Retention When Making Home Brew Beers and Ales

Enhances Foam Stability In Beers. Improves Foam Cling To The Side Of The Glass. Protects Beer Foam From Contaminants That May Be In Glasses. Improves Head Retention In Beers. Whisk One Phial Into Half A Cupful Of Water And Thoroughly Mix.