The idea is to create a serrated-looking edge, similar to the side of a feather (hence the name). Depending on how long your brow hairs are, you may need to use small scissors to trim them.

On TikTok, there was the trending soap brow and feather brow. Plus, more recent viral launches like the REFY Beauty Brow Sculpt and NYX’s The Brow Glue. With the influx of aesthetics and styling ...