Cymbopogon Flexuosus Oil
INCI: CYMBOPOGON FLEXUOSUS OIL
Reviewed by Emma · Last updated 14 Aug 2026
Also known as: Cymbopogon Flexuosus Oil
A fragrant essential oil traditionally used to mask scent in skincare formulations
Best For Skin Types
All
Addresses
Usage Frequency
As tolerated
What Is Cymbopogon Flexuosus Oil?
Cymbopogon flexuosus oil, commonly known as lemongrass oil, is an essential oil extracted from the aerial parts of the lemongrass plant. It is primarily composed of citral, a naturally occurring organic compound that gives the oil its characteristic lemony aroma. In skincare, it functions chiefly as a masking ingredient—used to improve or mask the scent of formulations rather than to deliver direct skincare benefits.
Lemongrass oil appears in roughly 0.1% of skincare products, making it a relatively uncommon ingredient in modern skincare formulations. It is classified as an essential oil and is listed as a potential EU allergen, which means it warrants careful consideration for those with sensitive skin or fragrance sensitivities.
How It Works
The primary active component in lemongrass oil is citral, which appears to exert anti-inflammatory effects by modulating the production of inflammatory biomarkers in skin cells. Laboratory studies have shown that lemongrass oil can suppress the release of certain signalling molecules associated with inflammation and tissue remodelling.
However, most evidence comes from cell culture and animal studies. The concentration used in skincare formulations is typically very low, and it remains unclear whether these anti-inflammatory effects translate meaningfully to human skin in real-world use. The ingredient's main practical function in formulations remains fragrance-related rather than therapeutic.
Clinical Evidence & References
Cell-based research demonstrates that lemongrass oil can inhibit production of inflammatory biomarkers, including VCAM-1 and several chemokines, in pre-inflamed human dermal fibroblasts. Some in vitro evidence also suggests antifungal activity, particularly when combined with other actives.
However, robust human clinical trials assessing the topical efficacy of lemongrass oil in skincare are limited. Most supporting evidence comes from laboratory and animal studies, meaning the practical benefits for human skin remain incompletely understood. This ingredient is best viewed as a supporting component rather than a primary active.
Published Research
How to Use
Lemongrass oil is typically incorporated at low concentrations in finished products for fragrance purposes. If you are using a product containing this ingredient and have sensitive skin or a history of fragrance sensitivity, patch test first to ensure tolerance. The scent may be noticeable initially and may evolve as the product oxidises over time.
Safety & Precautions
Frequently Asked Questions
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