Efficacy and Safety of a PTPD-12-Containing Cream on Improvement in Hyperpigmentation: A Randomized, Split-Face Clinical Trial.

Ann Dermatol · 2025 · PMC12505370 · PMID 41044809

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a decreasing trendno p-value reported

Although the change in EI was not statistically significant, a decreasing trend was observed at the PTPD-12-treated site ( Fig. 2B ).

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