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Studies suggest niacinamide's transdermal delivery is pH-dependent, with neutral formulation pH (7.4) facilitating approximately twofold greater skin permeation compared to acidic pH, which may enhance its biological activity
Other contributing factors are environmental toxins-smog and pesticides, cigarette smoke and medications
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PubMed laboratory research record [PMID: 39865815] PubMed record related to this compound for laboratory literature review
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