Synergistic effects of niacinamide and low pH on melanin synthesis, melanocyte function and hyperpigmentation: In vitro and clinical insights.

OBJECTIVE: Niacinamide is a well-established ingredient known for reducing hyperpigmentation by inhibiting melanosome transfer from melanocytes to keratinocytes. This study aimed to explore the potential synergistic effects of niacinamide and low pH…

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