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Meet kojic acid and glutathione, the brightening besties that give your skin a luminous boost
Testing & COA: Every product is third-party tested for purity and identity, with a per-batch certificate of analysis available in Kois public COA library on the website
Its levels in the body can be reduced due to aging, poor diet, chronic illness, or exposure to environmental toxins
Dark red and light red mark cysteine residues with 2-fold and 1.5-fold reactivity changes compared to protein expression, respectively
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