Potassium hydroxide (E525)

No. Potassium hydroxide (E525) is not one of the markers Open Food Facts uses to classify a food as processed or ultra-processed, so on its own it doesn't raise a product's NOVA group.

What it is

A food additive authorised for industrial food production.

A product that contains it can still be ultra-processed for other reasons: 5 of the 10 products here that contain potassium hydroxide (E525) (50%) are in group 4 because of other ingredients or additives.

More about potassium hydroxide (E525) on Wikidata

Where it turns up

Potassium hydroxide (E525) appears in 10 of the 40,000 products on this site (0%).

Products containing potassium hydroxide (E525)

How the NOVA classification works