Prunella Vulgaris Extract
INCI: PRUNELLA VULGARIS EXTRACT
Reviewed by Kate · Last updated 14 Aug 2026
Also known as: Prunella Vulgaris Extract
A plant extract with antioxidant properties that may help protect skin from UV-induced damage
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Prunella Vulgaris Extract?
Prunella vulgaris extract comes from a perennial herbaceous plant native to Asia and Europe, commonly known as self-heal. The extract contains phenolic compounds, particularly rosmarinic acid, which give it antioxidant and anti-inflammatory properties.
In skincare formulations, prunella vulgaris extract functions primarily as an antioxidant, helping to neutralise free radicals that can accumulate on the skin from environmental stressors such as UV radiation and pollution.
Benefits for Your Skin
How It Works
Prunella vulgaris extract works primarily through its phenolic acid content, especially rosmarinic acid. These compounds neutralise reactive oxygen species (ROS) — unstable molecules generated when skin is exposed to UV radiation and environmental stressors. By reducing ROS levels, the extract helps prevent the oxidative cascade that leads to cellular damage and premature ageing.
Early research also suggests the extract may inhibit 11-hydroxysteroid dehydrogenase 1 (11-HSD1), an enzyme involved in activating cortisol in the skin. This could theoretically help preserve skin structure and function, though this mechanism requires further investigation in human studies.
Clinical Evidence & References
In-vitro studies (conducted in laboratory cell cultures) show that prunella vulgaris extract and its main component, rosmarinic acid, can reduce oxidative stress and DNA damage caused by both UVA and UVB exposure in human keratinocytes. These studies suggest the extract has genuine photoprotective potential.
However, evidence from human clinical trials is limited. Most available research has been conducted in controlled laboratory settings rather than on live human skin. Whilst the findings are promising, more human studies would be needed to establish how effectively the extract protects skin in real-world conditions and at typical cosmetic concentrations.
How to Use
Prunella vulgaris extract is typically found in concentrations below 0.1% in commercial skincare products, so it functions as a supporting antioxidant rather than a primary active ingredient. It works well alongside other antioxidants and sunscreen ingredients as part of a comprehensive UV protection strategy. There is no specific usage frequency requirement; products containing this extract can generally be used daily as part of your regular routine.
Safety & Precautions
Frequently Asked Questions
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Prunella Vulgaris Extract is a variant of Prunella Vulgaris Leaf Extract, the form you will most often see on an ingredients list.
A plant-derived conditioning agent with traditional use in herbal skincare
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