E526

Calcium hydroxide

What the research shows

Not enough

published research on this page yet

How we decide

A white powder made from lime and water.

Written from English Wikipedia1

  • Vegan
  • Vegetarian
  • EU permitted

Regulatory status

Checked Sep 2026

Status reflects the named register on the date checked. It is not a safety rating.

How we check

Products

The 6 most-scanned of 433 products on Open Food Facts that list calcium hydroxide.

  • Tortilla Chips Kirkland Que Pasa · 908 g 0 additives
  • Patak's Plain Pappadums x 8 Morrisons · 64 g 1 additive
  • Noodles Bare naked foods · 250 g 1 additive
  • VOLCANIC STONE GROUND TORTILLA CHIPS QUE PASA · 350 g 0 additives
  • No Calcium OJ Tropicana · 1.36 L 2 additives
  • Doritos Doritos · 235 g 5 additives

References

  1. 1Calcium hydroxide. Wikipedia. Accessed September 26, 2026.