Artemisia Annua Leaf Extract
INCI: ARTEMISIA ANNUA LEAF EXTRACT
Reviewed by Emma · Last updated 18 Aug 2026
Also known as: Artemisia Annua Leaf Extract
A plant extract with traditional purifying properties and emerging skincare applications
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Artemisia Annua Leaf Extract?
Artemisia annua leaf extract is derived from sweet wormwood, a plant native to Asia with a long history of use in traditional medicine. The extract is obtained from the leaves of the plant and contains various phytochemicals that contribute to its biological activity.
In skincare formulations, this ingredient is primarily used for its antimicrobial and skin-conditioning properties. It may help support the skin's natural defences and is sometimes included in formulas targeting scalp health and dandruff concerns, though its cosmetic applications remain relatively niche.
How It Works
Artemisia annua leaf extract contains bioactive compounds that exhibit antimicrobial activity against various bacteria and fungi. These compounds can help inhibit microbial growth on the skin and scalp, which may be beneficial in managing conditions where microbial overgrowth contributes to irritation or flaking.
The extract also has mild conditioning properties that help improve skin feel and appearance, though the mechanisms underlying these effects in cosmetic products are not fully characterised.
Clinical Evidence & References
Research into the antimicrobial properties of Artemisia annua extract shows promise, with studies demonstrating activity against several microorganisms relevant to skin health. However, most rigorous evidence comes from in vitro or traditional medicine contexts rather than controlled cosmetic efficacy trials on human skin.
Evidence for its efficacy in cosmetic formulations is limited. While the ingredient appears generally well-tolerated, larger-scale clinical studies specifically examining its effects in skincare products would strengthen our understanding of its practical benefits.
How to Use
Artemisia annua leaf extract is typically found in scalp treatments, anti-dandruff products and conditioning formulas. Use as directed on the product label. If incorporating into a routine, allow several weeks of consistent use before assessing results, as changes to scalp health and skin condition develop gradually. Patch test if you have known sensitivities to plant extracts.
Safety & Precautions
Frequently Asked Questions
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Artemisia Annua Leaf Extract is a variant of Artemisia Annua Extract, the form you will most often see on an ingredients list.
Long used in traditional Chinese medicine
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