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Furthermore, targeted ophthalmic trials utilizing T4-based eye drops (such as the RGN-259 formulation) have demonstrated safety and clinical efficacy in treating severe dry eye conditions, bacterial corneal infections, and physical corneal wounds

Paital B, Agrawal PK (2020) Air pollution by NO2 and PM 2.5 explains COVID-19 infection severity by overexpression of angiotensin-converting enzyme 2 in respiratory cells: a review

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Yes, glutathione is known to reduce melanin production by converting eumelanin (dark pigment) to pheomelanin (light pigment), which can gradually lead to a brighter and more even skin tone