In vivo confocal Raman microscopic determination of depth profiles of the stratum corneum lipid organization influenced by application of various oils

•Intercellular lipids order profile measured by confocal Raman microscopy in vivo.•Topically applied oils influence the intercellular lipids order in stratum corneum.•Oils do not permeate through the stratum corneum in vivo.•Plant-derived oils influence deeper-located layers more than mineral-derive...

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