Many so called whitening pills contain glutathione, hydroquinone, or even unregulated blends, but did you know the FDA has never approved these for skin lightening? High doses may harm your liver, Best Skin Lightening Ingredient Hydroquinone or Glutathione? Hydro Q Body by Craft What is the best depigmentation option for patients with vitiligo ?, A Monobenzyl ether of Hydroquinone, B Hydroquinone, C Oral Glutathione, D Isobionic amide cysteamine, (Prepared with Dr Glutathione as a skinlightening agent and in melasma: a systematic review Sarkar 2025 International Journal of Dermatology Wiley Online Library