It's also sometimes referred to as the collar or simply as beer foam. Mastering the perfect pour technique can enhance the beer's aroma, preserve the beer's integrity, ensure the right amount of ...

The debate over how much head a beer should have is seemingly never ending. So is the debate about whether the head matters ...

soap or grease as these residues degrade the beer foam. The foam is a fundamental part of the draught beer experience, both visually and in its effect on taste and aromas. "The foam created by ...