CheckVegan

Is Calcium Hydroxide vegan?

Calcium Hydroxide

Vegan Vegan
Vegetarian Vegetarian

Calcium hydroxide, also known as slaked lime, is a white powder produced by adding water to calcium oxide (quicklime) derived primarily from limestone. It is used as an acidity regulator, preservative, and processing aid in food and cosmetic applications.

Also known as calcii hydroxidum, Calcium dihydroxide, Hydrated lime, Milk of lime, Portlandite, Slaked lime
INCI name Calcium Hydroxide
E number E526
INS number 526
CAS number 1305-62-0
EC number 215-137-3
CosIng ID 32328
Last reviewed 16 April 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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