E525 — Potassium hydroxide
E525 (Potassium hydroxide) appears in the ingredient lists of 33 products sold in the United Kingdom.
Nutri-Score
15 rated products
Median values
| Energy | 349 kcal |
| Sugars | 7.7 g |
| Saturates | 5.0 g |
| Salt | 0.18 g |
Categories
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)
| Country | Products |
|---|---|
| France | 165 |
| United Kingdom | 33 |
| Germany | 25 |
| Italy | 19 |
| Belgium | 16 |
| Netherlands | 16 |
| Spain | 14 |
| Thailand | 14 |
| United States | 12 |
| Switzerland | 11 |
| India | 10 |
| Finland | 8 |
| Canada | 6 |
| Portugal | 6 |
| Poland | 5 |
Products
33 products, most viewed first.



























Source: Open Food Facts export of 23 October 2026, ODbL · Shelfpedia calculations (medians, distributions).