glutathione whitening serum with vitamin c review Private Label Freckle Remove Melasma Dark Spots Face Whitening Serum Kojic Acid Potent 25% vitamin C targets stubborn discolouration and sun damage Glutathione minimises irritation and boosts skin’s antioxidant supply GAP technology reduces oxidative stress and targets discolouration Lightly hydrating serum for all skin types Glutathione Serum for Face, Vitamin

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In addition, the product also contains Vitamin C, Vitamin B1 and Collagen Peptides, helping to increase the antioxidant capacity and increase skin elasticity, reduce the signs of skin aging

It functions as a direct antioxidant through its thiol group, a substrate for glutathione peroxidase and glutathione S-transferase enzymes, and a regulator of protein function through S-glutathionylation

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