Emulsifier

Cyamopsis Tetragonoloba Gum

INCI: CYAMOPSIS TETRAGONOLOBA GUM

Reviewed by Kate · Last updated 14 Aug 2026

A plant-derived thickener that stabilises formulations and supports skin hydration

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Cyamopsis Tetragonoloba Gum?

Cyamopsis tetragonoloba gum, commonly known as guar gum, is a polysaccharide extracted from the seeds of the cluster bean plant. It functions primarily as a thickening and stabilising agent in skincare formulations, helping to create a smooth texture and prevent separation of ingredients that might not naturally blend well together.

In topical products, it works by absorbing water and forming a gel-like consistency, which can help formulations feel more luxurious on the skin and improve how active ingredients are delivered. It is used sparingly in skincare—typically at very low concentrations—making it a background ingredient rather than a star performer.

How It Works

Guar gum works by absorbing water molecules in a formulation, thickening the product and creating a more stable emulsion. This prevents oils and water-based ingredients from separating and helps the formula spread evenly across the skin.

When applied topically, the gum's film-forming properties may create a thin, breathable layer on the skin surface. This can help reduce transepidermal water loss (moisture evaporation) and improve the overall feel of the product, though the effect is subtle at the concentrations typically used in skincare.

Clinical Evidence & References

Research on guar gum in cosmetic formulations is limited. Most studies explore its use in advanced medical applications, such as wound healing scaffolds or drug delivery systems, rather than its direct benefits in topical skincare products.

Evidence supports its safety and stability-enhancing properties in formulations. Its hydration and barrier-support benefits are largely inferred from its functional properties as a thickener rather than from targeted clinical studies on finished skincare products containing it. More research would be needed to isolate its specific contribution to skin health outcomes.

How to Use

Guar gum is typically a background ingredient, so you don't need to adjust your routine around it. Simply use products containing it as directed. If you're combining multiple hydrating products, ensure you're not overloading your skin, particularly if you have oily or acne-prone skin, as layering too many thickened formulations can feel heavy.

Safety & Precautions

Guar gum is generally well-tolerated and considered safe for topical use. Allergic reactions are rare but possible in sensitive individuals, particularly those with legume sensitivities.

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