Additive

E525 — Potassium hydroxide

E525 (Potassium hydroxide) appears in the ingredient lists of 33 products sold in the United Kingdom.

33products with a complete record
27%rated A or B on Nutri-Score
7.7 gsugars per 100 g (median)
0.18 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 7%B 20%C 40%D 7%E 27%

15 rated products

Median values

Per 100 g, across all 33 products
Energy349 kcal
Sugars7.7 g
Saturates5.0 g
Salt0.18 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 172.841, 184.1631.

Technical effects listed by the FDA: formulation aid, fumigant, ph control agent, processing aid, stabilizer or thickener, washing or surface removal agent

The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.

U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 1310-58-3 via Wikidata (CC0)

Products containing it, by country

Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)