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Kojic Acid

$100.00
Sale price  $100.00 Regular price 
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FreshGuard™ ingredient product image

Kojic Acid

INCI: Kojic Acid

Product Code: FD2612

$100.00
Sale price  $100.00 Regular price 

Fermentation-Derived Brightener for Stubborn Dark Spots and Visible Melasma

Kojic Acid used here is high-purity — a naturally occurring organic acid produced by Aspergillus oryzae fermentation, with over 30 years of clinical use in brightening and depigmentation applications. It works by directly chelating the copper ions in tyrosinase's active site, achieving potent enzyme inhibition at the biochemical source of melanin overproduction.

Supported by multiple randomized controlled trials, Kojic Acid has demonstrated clinical brightening efficacy comparable to 4% hydroquinone — without its associated toxicity concerns.

Why Kojic Acid

  • Direct tyrosinase copper chelation – achieves >80% enzyme inhibition in standardized assays
  • Clinically proven vs. hyperpigmentation & melasma – RCT-backed evidence comparing favorably to hydroquinone
  • Dual-action brightening – combines tyrosinase inhibition with free radical scavenging
  • Natural fermentation origin – produced biosynthetically by Aspergillus oryzae
  • Globally compliant – EU-approved at 1% (leave-on), up to 4% (other applications); vegan; cruelty-free

Formulation Advantages

Kojic Acid is water-soluble and most active at pH 3.5–6.0. Pair with a chelating agent such as Sodium Phytate to prevent iron-catalysed discoloration in formulation. Compatible with niacinamide, Alpha Arbutin, and vitamin C derivatives for synergistic multi-pathway brightening.

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