Multilamellar ceramide core-structured microvehicles with substantial skin barrier function recovery

Kyounghee Shin, Kun Bong Lee, Jee Hyun Hwang, Boryeong Lee, Hyunsun Ryu, Minjoo Noh, Jun Bae Lee, Yoon Sung Nam, Kyung Min Lim, Jin Woong Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This study introduces a multilamellar ceramide core-structured microvehicle platform for substantial skin barrier function recovery. Our approach essentially focused on fabricating bacterial cellulose nanofiber (BCNF)-enveloped ceramide-rich lipid microparticles (CerMPs) by solidifying BCNF-armored oil-in-water Pickering emulsions. The oil drops consisted of Ceramide NP (a phytosphingosine backbone N-acylated with a saturated stearic acid) and fatty alcohols (FAs) with a designated stoichiometry. The thin BCNF shell layer completely blocked the growth of ceramide molecular crystals from the CerMPs for a long time. The CerMP cores displayed a multilamellar structure wherein the interlayer distance and lateral packing could be manipulated using FAs with different alkyl chain lengths. The CerMPs remarkably lowered the trans-epidermal water loss while restoring the structural integrity of the epidermis in damaged skin. The results obtained herein highlight that the CerMP system provides a practical methodology for developing various types of skin-friendly formulations that can strengthen the skin barrier function.

Original languageEnglish
Pages (from-to)2135-2144
Number of pages10
JournalJournal of Materials Chemistry B
Volume11
Issue number10
DOIs
StatePublished - 6 Feb 2023

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© 2023 The Royal Society of Chemistry.

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