My diet:

E463 Hydroxypropyl cellulose (HPC)

E463Thickeners & gumsOrigin: Plant
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Every diet

VeganYes

Plant-derived. Coatings in some supplements may use other ingredients, so check those separately.

Gluten-freeYes
HalalYes
KosherYes
KetoYes
Low-FODMAPYes
The short answer
Hydroxypropyl cellulose (E463) is a plant-based thickener that makes ice cream smooth and instant sauces silky. It's vegan, gluten-free and passes through the gut without being digested.
Generally safe

Fine for most people at normal amounts.

E-numberE463
Comes fromPlant
What it doesThickeners & gums
Glycemic index—
Daily limitNot set
Also calledHPC, Hydroxypropylcellulose

Rules by country

🇺🇸 US FDAApproved
🇪🇺 European UnionApproved
🇨🇦 Health CanadaApproved
CaliforniaNo extra rules

Approved in the US, EU and Canada as a thickener and stabilizer. It is also used in pharmaceutical tablet coatings, a use that adds a second layer of safety testing.

Daily limit: Experts haven’t set a number because normal food amounts are far below any level of concern.

What is it?

Hydroxypropyl cellulose is a modified fiber. Its water-loving groups let it thicken liquids and stabilize emulsions even at small doses. The body does not digest it, so it adds bulk without calories.

Where it comes from: Plant cellulose, usually from wood pulp, is treated with propylene oxide to add hydroxypropyl groups. The cellulose backbone comes from plants; the chemical step is industrial.

Why it’s in food

  • Keeps ice cream smooth in the freezer
  • Thickens instant sauces and soups
  • Stabilizes whipped and creamy textures
  • Coats tablets and capsules

Often found in

Ice creamInstant saucesSoupsWhipped toppingsSome supplements

Also listed as: HPC, Hydroxypropylcellulose, Cellulose hydroxypropyl ether, E463

Health & gut impact

DigestionConcern

Like other cellulose fibers, it is not digested and passes through the gut largely unchanged.

EFSA Panel on Food Additives (2018)

What can I use instead?

Methylcellulose

Ratio: 1:1

Best for: Heat-set and vegan binders

Related

More thickeners & gums:

Agar-Agar E406Agar-agar (E406) is a seaweed gel that sets firmer than gelatin. It's safe, vegan, gluten-free, keto and kosher, and is the easiest plant swap for gelatin.Generally safeCalcium alginate (Seaweed salt) E404Calcium alginate (E404) is a seaweed-based gel that sets in cold liquid when it meets calcium. It's the basis of vegan spheres and cheese analogues. It's vegan, gluten-free and safe.Generally safeCarrageenan E407Carrageenan (E407) is a seaweed thickener in plant milks and deli meats. It's approved, but some studies link it to gut inflammation, so people with IBD often avoid it.Use in moderationCassia gum E427Cassia gum (E427) is a seed thickener, not cinnamon. Europe allows it in limited foods. In the US it is mainly a pet-food ingredient. Specs are strict because early batches carried impurities.Use in moderation

Common questions

Is E463 vegan?

Yes. It is made from plant cellulose and chemically modified, with no animal source.

Does E463 add calories?

Very few. The body does not break it down, so it passes through as fiber.

Is Hydroxypropyl cellulose safe?

Generally safe (86/100). Approved in the US, EU and Canada as a thickener and stabilizer. It is also used in pharmaceutical tablet coatings, a use that adds a second layer of safety testing.

Is Hydroxypropyl cellulose vegan?

Yes. Plant-derived. Coatings in some supplements may use other ingredients, so check those separately.

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Scientific sources & regulatory citations
  • EFSA OpenFoodTox: E463
  • EFSA Panel on Food Additives (2018)

INS 463 · CAS 9004-64-2