Stylize > Outer Glow and apply this effect one more time. So, if you want to learn how to apply an inner glow in Photoshop, then you've come to the right place. Buy the royalty-free Stock video "Neon rectangle. The Rectangle Tool HUD appears. Now let’s make a thin stand. Inner Glow is one of the lesser-used effects within Photoshop layer styles, but that doesn't mean it isn't useful. Step 2. This includes the weight and distribution, as well as any advanced stroke properties like caps, join, and dashes. Specify values between 0 (no curvature) and 1 (maximum curvature). First, apply the product where you want the color to be the most pigmented (more on that below).