is glutathione supplement effective for skin lightening: a regnant myth or evidence-based verity? Glutathione Capsules - 1,500mcg L-Glutathione

Sinet PM, Lejeune J, Jerome H

A peer-reviewed review summarized that in a human skin model, 250 g per tissue of alpha-arbutin reduced melanin content to 40% of the control without causing cell death , and another report found a related arbutin treatment reduced UVR-induced hyperpigmentation by 43.5% versus vehicle control , as summarized in this review on skin depigmenting agents

Methods 2008, 5 (6), 535538

For example, a 12-week study involving 67 women found that GHK-Cu cream reduced wrinkles and increased skin thickness [8]

Glutathione works by blocking the production of melanin that causes pigmentation in the skin, therefore acting as a skin whitener