How to improve the foam in your next glass of homebrew.
Written by Chris Colby
Issue: December 2005
Beer foam: It's more than just a layer at the top of your glass, it's a complex matrix of air and chemistry that is highly dependent upon the brewing process. Explore the science of the suds with John Palmer.
A fluffy white head of foam is the perfect capper to a great beer. It enhances the appearance and flavor perception too. Make sure your beer looks as good as it tastes!