american academy of dermatology position glutathione skin lightening for Skin Lightening: Top 4 Things

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466, www.ncbi.nlm.nih.gov/pmc/articles/PMC3178961/, 10.4103/0975-7406.84471

However, certain circumstances may warrant testing including pre-existing liver or kidney conditions where monitoring organ function during therapy provides appropriate oversight, specific health concerns that might benefit from objective biomarker assessment, desire to objectively measure oxidative stress markers or glutathione status before and during therapy, and medical conditions requiring monitoring for safety reasons

Classification of antioxidants Guttering and Halliwell classified the antioxidants into three categories: primary, secondary, and tertiary antioxidants [11]

Treatment area: Face

Before looking at how they interact, it is helpful to understand what each of these does on its own