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KPV is a three-amino-acid sequence studied in inflammation research.

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For skin claims, one crucial question is where the experiment happened: in patients, or in a laboratory

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model?

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A 2025 study exposed cultured skin cells to particulate pollution and tested KPV.

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Researchers reported changes in oxidative stress, inflammatory signaling, and cell survival.

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They also used a three-dimensional skin model.

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Human-derived cells are still not the same as treating people with eczema, acne, or psoriasis.

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FDA notes missing human exposure data for KPV drug products.

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Delivery, clinical benefit, and safety still need careful testing before laboratory findings can support

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a skin-treatment claim.