Lightroom Classic Users: suggest you update to the new DeNoise Tool
It's quite something to behold.
Adobe a bit late to party (the former DNG route as unworkable IMO), but they got there in the end and it was worth the wait (from trying out on a few images so far and by the reception it's getting on web).
... non LR users: no need to contribute/comment, lol.
Post edited at 11:35