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According to the public registry, the trial was completed, and the results suggest a favorable safety profile with no significant adverse events reported (ClinicalTrials.gov Identifier: NCT03416053)
PMID: 42218944 Biol Direct 2026 Mar 23;21(1):57

Glutathione for Dark Spots & Melasma in Pakistan Uneven skin tone, stubborn melasma patches, and sun-induced dark spots - These are common concerns in Pakistani skin

All 30 subjects completed the study without significant adverse reactions
