What is E422?
E422 is Glycerol (glycerine), a humectant. Halal when the label says vegetable glycerine; doubtful when the source is not stated.
Also written as: INS 422, E-422, E 422, glycerol, glycerine, glycerin. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Frequently asked questions
Is E422 halal?
E422 (Glycerol (glycerine)) is doubtful (mushbooh). Halal when the label says vegetable glycerine; doubtful when the source is not stated.
What is E422 made from?
Vegetable oils, animal fats, or synthetic.
What is E422 used for?
E422 is used as a humectant.
What should I do if a product contains E422?
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Related E-numbers
Last reviewed 2026-10-06. How we decide · Suggest a correction