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Researched by Helena DeMaria-Williams

Formula IngredientEmollient

Soybean Sterols

INCI: Glycine Soja Sterols

Glycine Soja Sterols is a mixture of phytosterols (plant-derived sterols) extracted from the soybean plant (Glycine soja, Leguminosae family). Structurally similar to cholesterol, these plant sterols integrate into the skin's intercellular lipid matrix to support and restore the skin barrier. They also exhibit anti-inflammatory properties, inhibiting pro-inflammatory cytokines such as IL-6 and CXCL8.

Category

Emollient

Irritation Risk

Low

Skin Types

dry, sensitive, eczema-prone, damaged barrier, normal, combination

What does this do in a formula?

skin barrier repair, emolliency, skin conditioning, anti-inflammatory, softening, hydration support

Is Soybean Sterols safe? Key considerations

Can Soybean Sterols cause irritation?

Low Risk

Phytosterols are well-tolerated and not associated with irritation at cosmetic use concentrations. No EU Annex II or III restrictions apply. Individuals with soy allergies should exercise caution, though topical sensitisation from isolated sterols is rare.

Does Soybean Sterols increase sun sensitivity?

No Risk

Glycine Soja Sterols are not photosensitising. No SPF precautions are required.

Is Soybean Sterols safe during pregnancy?

Safe

Topical emollients derived from plant sterols are not associated with pregnancy concerns. No specific restrictions identified in available sources. As with all cosmetics, consult a healthcare provider if uncertain.

How does Soybean Sterols work?

Glycine Soja Sterols is a mixture of phytosterols (plant-derived sterols) extracted from the soybean plant (Glycine soja, Leguminosae family). Structurally similar to cholesterol, these plant sterols integrate into the skin's intercellular lipid matrix to support and restore the skin barrier. They also exhibit anti-inflammatory properties, inhibiting pro-inflammatory cytokines such as IL-6 and CXCL8.

Individuals with confirmed soy allergy (exercise caution) should review the considerations above before use.