can you mix vitamin c and glutathione Paula's Choice 25% Serum with & Antioxidants, Face Serum Improves Discoloration, Uneven Tone & Firms, All Skin Types, Fragrance-Free, 1oz : Beauty & Personal Care FITNESS LOVE Glutathione Gummies –
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We appreciate the funding support from National Heart Blood Lung Institute at the National Institutes of Health (NIH) award 1R15HL143545-01A1

PMID: 31527485

Higher doses dont necessarily improve results and may increase the risk of side effects

99% GLUTATHIONE & NIACINAMIDE FOR DARK SPOT CORRECTION: Harnessing the power of high-purity 99% glutathione combined with 5% niacinamide (Vitamin B3), this serum targets stubborn dark spots, discoloration, and uneven skin tone at the source