Ocimum Basilicum Leaf Extract
INCI: OCIMUM BASILICUM LEAF EXTRACT
Reviewed by Kate · Last updated 14 Aug 2026
A plant extract rich in polyphenols that may help protect and condition the skin
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Ocimum Basilicum Leaf Extract?
Ocimum basilicum leaf extract comes from sweet basil, a culinary herb with a long history of use in traditional medicine. The extract is obtained through solvent extraction of the plant's leaves, yielding a concentrate of the herb's natural compounds.
In skincare, basil leaf extract functions primarily as a skin conditioner. It contains polyphenolic compounds, including flavonoids and tannins, which contribute to its potential protective properties on the skin.
How It Works
Basil leaf extract contains several classes of polyphenolic compounds, with flavonoids and tannins being among the most abundant. These compounds are thought to work by neutralising free radicals and supporting the skin's natural defences against oxidative damage.
In laboratory and animal studies, basil extract has shown activity in supporting antioxidant enzyme systems. However, how effectively these mechanisms translate to human skin when applied topically remains an area requiring further research.
Clinical Evidence & References
Laboratory studies indicate that basil leaf extract is rich in antioxidant polyphenols and demonstrates measurable antioxidant activity in vitro. Research on isolated cell cultures (including human skin cells) has not identified cytotoxicity concerns at tested concentrations, suggesting a reasonable safety profile.
However, robust clinical studies on the ingredient's efficacy when applied to human skin are limited. The evidence base for specific skin benefits in humans is still developing, and most data comes from in vitro and animal models rather than controlled human trials.
Published Research
How to Use
Basil leaf extract is typically used in formulations at low concentrations and is most effective as part of a broader skincare routine. It works well in serums, essences and moisturisers. For best results, use consistently as part of your daily regimen, though no specific usage frequency has been established as optimal.
Safety & Precautions
Frequently Asked Questions
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Ocimum Basilicum Leaf Extract is a variant of Ocimum Basilicum Flower/Leaf/Stem Extract, the form you will most often see on an ingredients list.
A botanical extract with mild antioxidant and soothing properties
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