What Is Crema in Espresso and Why It Matters

Published: Oct 17, 2026 Author: World Gafei Last Updated: Oct/17/2026 229 views

Learn what espresso crema really is, what affects its color and stability, and why it's not just about foam.

When you pull a shot of espresso, that rich, caramel-topped layer on top isn’t just decoration — it’s crema. But why does it form, why does it sometimes vanish in seconds, and what does its color really tell you? If you've ever wondered whether your espresso is extracting properly or if your beans are fresh, the crema holds some answers. But not all the ones you’ve heard.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou's FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。