vash Glutathione, Niacinamide and Glycolic Acid Containing Alpha Arbutin Brightening Serum Trendyol Kojic Acid vs Glutathione: Which is Best for Skin Whitening? Zeelab Pharmacy High Absorption Liposomal Glutathione Verified Supplier Glycolic Acid Lotion For Body Smooths Rough Skin Alibaba.com Glycolic Acid: The Secret to Smoother, Brighter Skin When you want to smooth and brighten your skin tone, look for an active ingredient like glycolic acid (found in Rapid Dark Spot Correcting Serum) to reveal a more even complexion.