Infrared Photobiomodulation Modulates PpIX Production After Topical Methyl Aminolevulinate in Normal Human Skin: An Exploratory Study.

J Biophotonics · 2026 · PMC13022744 · PMID 41891138

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a positive trendno p-value reported

In this exploratory analysis, ratios above 1 were considered indicative of a positive trend toward enhanced PpIX production, while a formal inferential test against unity was performed to assess significance (Figure 3 ).

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