The plugin was created to solve a common problem in motion graphics: the default After Effects glow tends to look "blocked out" or "plastic" because it doesn't simulate how light actually behaves in the real world. Physically Accurate Falloff:

Here is everything you need to know about why Deep Glow is a must-have and how to use it effectively. Why Deep Glow? (The Science of Pretty Lights)

To prevent that ugly "stepping" or banding you see in 8-bit projects, Deep Glow uses internal downsampling. This ensures that even the largest, softest glows remain buttery smooth without needing to jump into 32-bpc (bits per channel) mode immediately—though it handles 32-bpc beautifully if you do. Deep Glow vs. After Effects Default Glow AE Default Glow Linear/Plastic Inverse Square (Realistic) Banding Highly prone Anti-banding technology Colors Can look washed out Vibrant, saturated cores Extra Effects Aberration, Aspect Ratio, Tinting Professional Tips for Using Deep Glow