You can simulate starglow with built-in effects:
Use the Preset dropdown to quickly find a style that fits your project's mood. starglow after effects
Expand the Individual Lengths or Individual Colors sections to modify the reach and hue of specific star points. You can simulate starglow with built-in effects: Use
Would you like a mini video script for a 1‑minute tutorial, or a project file template to download? starglow after effects
In the Pre-Process menu, lower the "Threshold" until the glow begins to appear on your highlights.