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This exchange is stimulated by the presence of high extracellular concentrations of OA 7 and is driven by the electrochemical gradient of GSH across the plasma membrane

Several randomized controlled trials have shown a significant reduction in melanin index compared to placebo

This increased ROS production may contribute to the infection-related apoptosis (44)

Instead, treatments are designed to: Address hyperpigmentation and patchy tone Improve texture, clarity and radiance Treat melasma, sun damage and acne marks Support long-term skin function and barrier health For a medically grounded overview of pigmentation and how it is commonly approached in dermatology, you can refer to trusted international resources such as the Cleveland Clinics guide on hyperpigmentation