Glycine Soja Germ Extract
INCI: GLYCINE SOJA GERM EXTRACT
Reviewed by Emma · Last updated 18 Aug 2026
A soy-derived extract that works to protect skin from oxidative stress
Best For Skin Types
All, Mature, Sensitive
Addresses
Usage Frequency
Daily
What Is Glycine Soja Germ Extract?
Glycine Soja Germ Extract is derived from soybean germ, the nutrient-rich embryo of the soybean plant. In skincare formulations, it functions primarily as an antioxidant and skin-conditioning agent, helping to defend the skin against environmental stressors.
The extract contains naturally occurring compounds that support skin health, particularly through its antioxidant properties. These work to neutralise free radicals and reactive oxygen species that can compromise skin condition over time.
How It Works
The ingredient works by supplying antioxidant compounds that intercept and neutralise free radicals and reactive oxygen species (ROS). These unstable molecules are generated through daily exposure to environmental stressors, UV radiation, and natural metabolic processes. When left unchecked, they can degrade important skin components like hyaluronic acid and collagen.
By reducing ROS activity, this extract helps preserve the skin's structural integrity and natural moisture-binding capacity. This is particularly relevant in ageing skin, where the cumulative effects of oxidative stress become more pronounced.
Clinical Evidence & References
Safety assessments have confirmed that soy-derived ingredients, including those similar to this extract, are well-tolerated in cosmetic formulations at typical use levels. The Panel for Cosmetic Ingredient Safety concluded that most soy-derived ingredients are safe for cosmetic use.
Research indicates that antioxidant ingredients can play a meaningful role in supporting hyaluronic acid stability in skincare formulations, which has implications for moisturiser efficacy. However, specific clinical data on this particular extract's efficacy in isolation is limited, and its benefits are likely most pronounced when combined with other skin-supporting ingredients.
How to Use
This ingredient is typically used at very low concentrations in finished products (often below 1%), so it works best as part of a comprehensive skincare routine rather than as a standalone treatment. It pairs well with other antioxidants and hydrating ingredients. There is no need to layer multiple products containing this extract.
Safety & Precautions
Frequently Asked Questions
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