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Hyaluronic acid, whether applied topically or included in GHK-Cu formulations, shows synergistic effects
This seemingly small chemical modification brings profound functional changes: the acetylated thiol group is protected from oxidation and enzymatic breakdown, while the overall molecules lipophilicity is significantly enhanced, allowing it to cross biological membranes more easily
Nonetheless, currently the use of natural products as drugs or as drug discovery platforms is well and alive (Newman and Cragg, 2016)
With a high concentration of Glutathione, it helps to reduce melanin production, resulting in a brighter and more even-toned complexion
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