Whether you watched hours of makeup tutorials on YouTube during the height of the beauty vlogger era in the 2010s, or you’re a frequent consumer of BeautyTok now, you’ve probably heard about banana powder, the light yellow setting powder responsible for bright under-eyes and smooth, doll-like skin. Once used exclusively by professional makeup artists, banana powder is becoming a staple in more and more regular beauty lovers’ makeup routines. Despite its popularity, there can be a bit of a learning curve when it comes to application.Below, we turned to celebrity makeup artists Andrea DiSabatino and Elaina Badro to help decode banana powder.