Glutathione your skin's supposed super serum? Here's the catch: half of it may degrade before it even reaches your skin And the actual brightening results? Let's just say underwhelming. We tried 5 glutathione products and there's 3 that made the cut Brightening potential? Still a bit of a mystery Also keep in mind an unstable, short shelf life. Fridge recommended Glutathione Skincare Recap Prepare yourself for some smells If you've tried any of these, did you love it? did you hate it? Let us know! #skincare #kbeauty #cosmeticchemist #viralskincare #skinbrightener Amazon.com: numbuzin No.5 Vitamin Concentrated Serum, Dark Spot Care, Glutathione & Vitamin Serum, Korean Skincare, Tranexamic Acid 4%, Niacinamide 5%, for a Radiant Looking Glow 1.01 fl oz : Beauty & Personal Care Skincare Ingredients You Should Never Mix Beautiful With Brains 25% Vitamin C Serum + Glutathione For Uneven Skin Paula's Choice