Citrus Grandis Extract
INCI: CITRUS GRANDIS EXTRACT
Reviewed by Kate · Last updated 20 Jul 2026
A plant extract with purifying and skin-conditioning properties
Best For Skin Types
All, Oily, Combination
Addresses
Usage Frequency
Daily
What Is Citrus Grandis Extract?
Citrus Grandis Extract is derived from the grapefruit plant (Citrus grandis). Like other citrus extracts, it contains naturally occurring compounds including flavonoids and organic acids that have been used in skincare formulations for their potential antimicrobial and skin-conditioning effects.
In cosmetic products, this ingredient is typically used to help maintain skin clarity and support the skin's natural defence mechanisms, whilst also contributing to the overall conditioning and feel of a formula.
How It Works
Citrus Grandis Extract contains bioactive compounds, particularly flavonoids, which possess antimicrobial properties. These work by inhibiting the growth of certain bacteria on the skin's surface, which can be beneficial for maintaining a balanced skin microbiome.
The extract also functions as a skin conditioner, helping to improve moisture retention and skin feel. The precise mechanisms are not fully understood in all cases, but the cumulative effect of these compounds supports skin health and barrier function.
Clinical Evidence & References
Research on related citrus extracts suggests potential benefits for skin health. Studies on citrus-derived compounds indicate antimicrobial efficacy and antioxidant activity, though specific clinical evidence for Citrus Grandis Extract in particular is limited in published literature. Related citrus species have shown promise in supporting skin barrier function and modulating inflammatory responses.
Most evidence for citrus extracts in skincare comes from in vitro studies or studies using related species. Further human clinical trials would help establish the full extent of benefits when used in cosmetic formulations at typical concentrations.
Published Research
How to Use
Citrus Grandis Extract is typically incorporated into cleansers, toners, and serums where its antimicrobial and conditioning properties can be utilised. It is generally well-suited to daily use as part of a broader skincare routine. If using multiple citrus-based products, monitor your skin for any signs of irritation.
Safety & Precautions
Frequently Asked Questions
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