Other additives · Food additive

Calcium hydroxide (E526)

Updated October 2, 2026

Calcium hydroxide (E526) is a food additive in the “other additives” group. It appears in 125 products in our database, 6 of them sold in the US.

Quick facts

Also known as
E526
E-number
E526
Function
Other additives
Found in
125 products (6 sold in the US)

Foods that commonly contain Calcium hydroxide

Pastas 0% · 9
Noodles 0% · 9
Rices 0% · 4
Spaghetti 0% · 3
Growth milks 2% · 3

Share of published products in each category whose ingredient list includes Calcium hydroxide.

Popular products with Calcium hydroxide

How to spot Calcium hydroxide on a label

Look for any of these names in the ingredient list:

Calcium hydroxideE526

Related additives

Frequently asked questions

What foods contain Calcium hydroxide?

In our database, Calcium hydroxide most often appears in pastas, noodles, gluten-free pasta and cheese croquettes.

How many products contain Calcium hydroxide?

125 published products on Foodmetria list Calcium hydroxide, including 6 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.

Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.