Salix Alba Bark Extract
INCI: SALIX ALBA BARK EXTRACT
Reviewed by Kate · Last updated 14 Aug 2026
Also known as: Salix Alba (Willow) Bark Extract
A plant extract with antioxidant properties, traditionally used to support skin clarity and resilience
Best For Skin Types
All, Oily, Combination, Sensitive
Addresses
Effective Concentrations
10–20%
Usage Frequency
Daily
EWG Safety Score
What Is Salix Alba Bark Extract?
Salix alba bark extract is derived from the bark of the white willow tree, a plant with a long history of use in traditional medicine. The extract is rich in phenolic compounds, including flavonoids and phenolic acids, which give it antioxidant properties. These compounds help to protect skin cells from oxidative stress caused by environmental factors.
In skincare formulations, this extract typically functions as a skin conditioner and astringent, meaning it can help to refine skin texture and support a more balanced complexion. It is also used for its soothing properties and is found in approximately 1.4% of skincare products on the market.
Benefits for Your Skin
How It Works
Salix alba bark extract works primarily through its high concentration of phenolic compounds, which act as antioxidants. These molecules neutralise harmful free radicals that accumulate in skin cells, helping to reduce oxidative stress and inflammation. By doing so, the extract supports the skin's natural defence mechanisms and may help maintain a clearer, calmer complexion.
The extract also appears to support the skin's structural integrity. Early evidence suggests it may encourage hyaluronic acid synthesis in fibroblasts (the cells that produce collagen and elastin) and help maintain healthy blood vessel function, which could contribute to improved skin firmness and a more even complexion over time.
Clinical Evidence & References
Research into Salix alba bark extract is emerging but limited in scope. A clinical study examining its effects on dark circles found that the extract may support hyaluronic acid production in skin cells and help protect vascular integrity, which could theoretically reduce the appearance of shadowing under the eyes caused by poor blood circulation. However, this research is preliminary and would benefit from larger-scale human trials.
Laboratory studies have confirmed the extract's antioxidant potency, with both leaf and bark extracts demonstrating strong free radical scavenging activity. The bark contains particularly high levels of flavonoids and procyanidins. Whilst these findings are promising for skin health, most of the evidence remains in vitro or early-stage clinical work, so claims about skin benefits should be considered as emerging rather than conclusively established.
Published Research
How to Use
Salix alba bark extract is typically formulated into serums, toners, or treatment products at concentrations of 10-20%. Apply to clean skin as part of your routine, either morning or evening depending on the product format. Since the extract has a conditioning and soothing action, it can be layered with other active ingredients, though it is sensible to introduce it gradually if you have sensitive skin to assess tolerance.
Safety & Precautions
Frequently Asked Questions
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Take the skin quizOther forms of Salix Alba Bark Extract
These appear on ingredients lists under different names but are the same substance. Salix Alba Bark Extract is the common form.
Related Ingredients
Salix Alba Leaf Extract
A plant extract rich in phenolic compounds with antioxidant and skin-conditioning properties
Salix Alba Bark Water
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Salix Alba Extract
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