Spread a soft glow from brighter areas. Bloom makes luminous surfaces feel more expansive while leaving the composition in place.
When to use it
Window light, reflections, lamps and backlit scenes provide useful highlights for the glow.
How to control it
Use the Bloom amount in Edit → Finish.
A starting approach
Begin with a small amount and inspect bright edges. Bloom is an atmospheric finish, not a way to recover missing highlight detail.
Combine with intention
Choose one main direction first. Compare with the effect reduced or off before adding another treatment. Check the exported photograph as well as the preview.