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glutathione skin whitening review Systemic as a Skin-Whitening Agent in Adult Unveiling Results: Skin Whitening Glutathione
Description
The peptide looked fine, tested pure via mass spec for amino acid content, but showed no biological activity in cell culture assays

Wrinkle reduction: Particularly around the eyes and forehead

There is no official consensus, but 10mg daily was at the higher end of the historical Russian parameters

If it involves metabolic dysfunction, then metabolic correction is therapeutically rational
