If you’ve ever tried to draw with the brush tool—yes, even with a stylus—you know how cumbersome and unforgiving Photoshop can be. CC 2018’s Smoothing feature makes this task a lot easier. When you paint with Smoothing enabled, you’ll notice a pink guide, also called a string, that runs from the painted stroke to your brush tip. This string plays a crucial part in the tool’s functionality.
Select the Brush tool (or Pencil, Mixer Brush, or Eraser tool) from the Tools panel and set your color and brush tip options. The Smoothing option is enabled by default. Adjust the Smoothing slider (from 0, which is no smoothing, to 100 which is maximum smoothing) on the tool Options bar to change the amount Photoshop smoothens the stroke. Then, click on the gear icon next to the Smoothing slider to choose from the different smoothing options: