Shikimic Acid
INCI: SHIKIMIC ACID
Reviewed by Rosie · Last updated 14 Aug 2026
A plant-derived compound with purifying and skin-conditioning properties
Best For Skin Types
All, Oily, Combination
Addresses
Usage Frequency
Daily
What Is Shikimic Acid?
Shikimic acid is an organic compound found naturally in plants, including star anise and various herbs. In skincare formulations, it functions as a skin conditioner and antimicrobial agent, working to support skin health and comfort.
The ingredient has been incorporated into cosmetic products for its potential to help manage microbial populations on the skin surface, which can be useful in formulations designed to address scalp and skin concerns linked to bacterial or fungal activity.
How It Works
Shikimic acid is believed to exert its effects through antimicrobial activity against common skin bacteria and fungi. This helps reduce the microbial populations that can contribute to odour, inflammation, and dandruff.
As a skin conditioner, it also helps to improve the overall feel and appearance of the skin barrier, though the precise mechanism in cosmetic use is not extensively documented in peer-reviewed literature.
Clinical Evidence & References
Research on shikimic acid in cosmetic applications remains limited. Most evidence comes from its traditional use in plants and preliminary industry research rather than large-scale clinical trials in skincare.
Its antimicrobial properties are supported by general knowledge of the compound's chemistry, but specific efficacy data in finished skincare products at typical concentrations would benefit from further investigation. It is generally considered well-tolerated in topical formulations.
How to Use
Shikimic acid is typically found in anti-dandruff shampoos, scalp treatments, and deodorant formulations. Use as directed on the product label. For scalp products, apply to damp hair and allow contact time before rinsing. Consistency with regular use tends to yield better results for scalp concerns.
Safety & Precautions
Frequently Asked Questions
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