Permanent Freeze Effect

I have a full screen effect that doesn't go away after days in-game. I believe it occurred when I ate a group of alchemy ingredients, probably including at least one Hunterborn heart. Strangely, the effect magnitude reduces when I reach about 50% exposure. I have no activeEffects related to blur.

Things I've tried:

Toggling "Full Screen Effects" in Frostfall.

Disabling and enabling Frostfall

Disabling and enabling Wet and Cold

Sleeping for 8 hours.

Receiving a cure disease blessing from the 9 divines.

Getting fully warm.

Freezing to death.

​

I don't know how to upload my mod order and load order, but it's Ultimate Skyrim 4.06hf2 Keyboard. No additional mods. Express installation.

Any solutions?

​