Why we use Fermented Gallic Acid

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why we use fermented gallic acid

The Basics

Gallic acid is a naturally occurring phenolic compound widely recognised for its potent antioxidant properties. The fermentation process enhances the bioavailability and efficacy of gallic acid by modifying its molecular structure, which improves skin penetration and amplifies its cosmetic benefits.¹ This structural modification results in a more effective ingredient for supporting skin radiance and achieving a more even tone.² Fermented gallic acid is often used in formulations targeting hyperpigmentation and uneven skin tone due to its improved delivery and enhanced biological activity.³

What Fermented Gallic Acid can do for Skin

An incredibly potent skin brightener

Fermented gallic acid promotes a more even-looking skin tone by helping to reduce the visible effects of excess melanin production. It works as a tyrosinase inhibitor, decreasing melanin synthesis and improving the appearance of dark spots and overall skin clarity.^{2, 3} Do to its improved bioavailability through fermentation, results are usually evident after only a few days. This makes it a key ingredient in brightening and spot-correcting skincare formulations.

Antioxidant and Anti-Inflammatory Properties

Beyond its brightening capabilities, fermented gallic acid delivers potent antioxidant protection. It helps neutralise free radicals that contribute to oxidative stress, which can accelerate the appearance of fine lines, wrinkles, and other signs of skin ageing.¹ Additionally, its anti-inflammatory properties assist in calming irritated skin and reducing redness, making it beneficial for sensitive skin and for maintaining a smooth, luminous complexion.^{1, 3}

references

1 Chajra, H., Redziniak, G., Auriol, D., Schweikert, K., & Lefevre, F. (2015). Trihydroxybenzoic acid glucoside as a global skin color modulator and photo-protectant. Clinical, cosmetic and investigational dermatology, 8, 579–589. doi: 10.2147/CCID.S93364. Trihydroxybenzoic acid glucoside as a global skin color modulator and photo-protectant.
2 Hadidi, M., Liñán-Atero, R., Tarahi, M., Christodoulou, M. C., & Aghababaei, F. (2024). The Potential Health Benefits of Gallic Acid: Therapeutic and Food Applications. Antioxidants (Basel, Switzerland), 13(8), 1001. doi: 10.3390/antiox13081001 The Potential Health Benefits of Gallic Acid: Therapeutic and Food Applications.
3 Kim, Y. J., & Uyama, H. (2005). Tyrosinase inhibitors from natural and synthetic sources: structure, inhibition mechanism and perspective for the future. Cellular and molecular life sciences : CMLS, 62(15), 1707–1723. doi: 10.1007/s00018-005-5054-y Tyrosinase inhibitors from natural and synthetic sources: structure, inhibition mechanism and perspective for the future.

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