Viola Yedoensis Extract
INCI: VIOLA YEDOENSIS EXTRACT
Reviewed by Daisy · Last updated 14 Aug 2026
A plant extract traditionally used to support skin barrier function and reduce inflammatory responses
Best For Skin Types
All, Sensitive, Dry
Addresses
Usage Frequency
Daily
What Is Viola Yedoensis Extract?
Viola yedoensis extract is derived from a herbaceous plant used extensively in traditional Chinese medicine. The extract is typically prepared using ethanol and contains bioactive compounds including aesculin and schaftoside, which have been identified through chemical analysis.
In skincare formulations, this ingredient functions as a skin conditioning agent, working to support the skin's natural barrier and hydration mechanisms at a cellular level.
How It Works
Viola yedoensis extract appears to work by interacting with skin cells at the molecular level. Research indicates it may activate CD44, a cell-surface receptor involved in hyaluronic acid binding, and aquaporin-3, which transports water across cell membranes. This dual action could enhance both hydration and barrier function.
The extract also shows potential anti-inflammatory activity, possibly through modulation of immune pathways in the skin, which may help calm reactive or sensitised skin states.
Clinical Evidence & References
Early research in controlled laboratory and animal models suggests Viola yedoensis extract has anti-inflammatory properties and can enhance skin barrier markers. In one study, the extract increased aquaporin-3 expression by approximately 78% and CD44 expression by around 15% in human keratinocyte models, alongside improvements in barrier-related proteins like filaggrin and keratin-10.
However, most published research focuses on oral administration or animal models rather than topical use in humans. Clinical evidence in human skin is limited, so whilst the mechanism appears plausible, larger-scale human studies would help clarify its real-world efficacy and optimal concentration for topical application.
Published Research
How to Use
Viola yedoensis extract is typically found in serums, toners, and moisturisers at low to moderate concentrations. Use it as part of your regular skincare routine, applying to clean skin before heavier creams. It pairs well with other hydrating and barrier-supporting ingredients, though there are no specific combination concerns reported.
Safety & Precautions
Frequently Asked Questions
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