Oil components modulate the skin delivery of 5-aminolevulinic acid and its ester prodrug from oil-in-water and water-in-oil nanoemulsions.

Int J Nanomedicine · 2011 · PMC3084316 · PMID 21556344

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an increasing trendno p-value reported

16 The results indicated an increasing trend of hydrophilicity of W2 > W1 > W3.

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