ArticleTechniques for Getting Good Beer Foam How to improve the foam in your next glass of homebrew.Already a member? Log InWritten by Chris ColbyYou'll Also Like Article FREE Fabulous Foam! 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! Article MEMBERS ONLY Understanding the Science behind Beer Foam Beer foam: it’s more than just a layer at the top of your glass. Explore the science of the suds.