Evaluation of the Biological Effect of a Nicotinamide-Containing Broad-Spectrum Sunscreen on Photodamaged Skin.

Dermatol Ther (Heidelb) · 2024 · PMC11604901 · PMID 39509031

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showed a trendno p-value reported

When comparing before and after treatment, only p21 showed a trend to decrease expression.

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