Skin Conditioning

Glycine Soja Extract

INCI: GLYCINE SOJA EXTRACT

Reviewed by Kate · Last updated 14 Aug 2026

A botanical extract traditionally used to help calm inflammation and support skin barrier function

Best For Skin Types

All, Sensitive, Combination

Addresses

Redness, Sensitivity, Inflammation

Usage Frequency

Daily

What Is Glycine Soja Extract?

Glycine Soja Extract is derived from soybean plants and contains a range of bioactive compounds, including polyphenols and flavonoids. These naturally occurring substances are thought to contribute to the extract's skin-conditioning properties.

In cosmetic formulations, this ingredient functions primarily as a skin conditioner, helping to maintain skin texture and comfort. It appears in a small percentage of skincare products, often as part of multi-ingredient formulations aimed at soothing or protecting the skin.

How It Works

The active compounds in soybean extract, particularly flavonoids, function as antioxidants—meaning they help neutralise free radicals that can damage skin cells. This protective action may contribute to maintaining skin health and comfort over time.

Research suggests the extract may also influence inflammatory pathways in the skin, potentially helping to downregulate markers of skin irritation and supporting the production of filaggrin, a protein essential for a healthy skin barrier.

Clinical Evidence & References

Laboratory and animal studies indicate that soybean leaf and stem extracts may help reduce inflammatory markers associated with irritated skin conditions, including interleukins and chemokines that drive inflammatory responses. These studies also suggest improvements in barrier function markers.

However, human clinical evidence in cosmetic applications remains limited. Whilst the ingredient has been used traditionally and appears safe in cosmetic formulations at typical use levels, more robust clinical studies in human subjects would strengthen the evidence base for its specific benefits in skincare products.

How to Use

Glycine Soja Extract is typically found in moisturisers, serums, and targeted treatment products. As it is generally well-tolerated, it can be incorporated into daily skincare routines. When introducing any new product, apply to a small area first to ensure compatibility with your skin.

Safety & Precautions

Glycine Soja Extract is generally recognised as safe in cosmetic use at typical concentrations. Those with soy allergies should check product ingredient lists carefully, though topical use carries lower risk than oral ingestion.

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