Acrylates Copolymer
A synthetic polymer blend used to thicken, stabilise, and create film-forming texture in cosmetics.
thickenerDepends on context
Thickeners
Thickeners: Gums, Starches & Stabilisers Explained
Thickeners are ingredients that build body, hold texture, or stop mixtures from separating — without adding much flavour or fat. They show up in everything from salad dressings and plant milks to yoghurt and processed meats, because modern food manufacturing often needs a structural scaffold to replace fat, starch, or the natural gelatin found in whole foods. Most are either plant-derived polysaccharides, fermentation by-products, or purified cellulose fibres.
How to spot them on a label
On an ingredient list, thickeners usually appear in the lower half, after the main ingredients, because they are active in very small amounts. Look for the word 'gum' — as in guar gum or xanthan gum — or recognisable names like pectin and carrageenan; some labels also flag them under the broader term 'stabiliser'. Understanding what ingredients belong to this category helps you quickly assess how much processing went into a product's texture.
Every entry in this group (9)
Carrageenan
A seaweed-derived thickener and stabiliser used to improve texture and prevent separation in food and drinks.
thickenerDepends on context
Cellulose Gum
A modified plant-fiber derivative used to thicken, stabilize, and add body to foods and other products.
thickenerLow concern
Cetearyl Alcohol
A waxy, solid alcohol derived from fatty acids that thickens cosmetics and helps oil and water blend smoothly.
thickenerLow concern
Cetyl Alcohol
A waxy fatty alcohol derived from plant or animal fats that thickens, softens, and stabilises cosmetic formulas.
thickenerAvoid if sensitive
Guar Gum
A natural seed-derived powder that thickens and stabilises food products, listed as E412 in the EU.
thickenerLow concern
Gum Arabic
A natural tree-derived gum used to thicken, emulsify, and stabilise foods and beverages.
thickenerLow concern
Pectin
A natural plant fibre extracted from fruit peel that gels, thickens, and stabilises food products.
thickenerLow concern
Xanthan Gum
A fermentation-derived polysaccharide used to thicken, stabilise, and prevent ingredient separation in food.
thickenerLow concern
Questions people also ask
Are thickeners like xanthan gum and carrageenan safe to eat?
Regulatory bodies including the FDA and EFSA have reviewed the major food-use thickeners and authorised them within defined limits. That said, individual tolerance varies, and some people report digestive sensitivity to certain gums at higher intakes. If you have a known gut condition, a conversation with a healthcare professional is worthwhile.
Are these thickeners natural or synthetic?
Most thickeners on this page come from natural sources — seaweed for carrageenan, citrus or apple peel for pectin, plant seeds for guar gum — but many are extracted and refined through industrial processes. 'Natural origin' and 'minimal processing' are not the same thing, so the distinction matters when you are evaluating a product.
Why do some products contain two or three thickeners at once?
Different gums and stabilisers interact in ways that produce textures neither could achieve alone. Combining a small amount of xanthan gum with guar gum, for example, creates a stronger gel than either provides individually. Manufacturers use these blends to hit a specific mouthfeel while keeping total additive levels low.
Can thickeners affect people with food allergies?
Most thickeners are not common allergens, but xanthan gum is fermented on a sugar source that may originate from wheat, corn, or soy, which could be relevant to highly sensitive individuals. Gum arabic comes from acacia trees and has triggered reactions in some people with specific sensitivities. Always read the physical product label for the most current allergen declarations.
Other ingredient groups
Educational information, not medical advice. Always read the physical label if you have an allergy.
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