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March 14, 2026Journal of Cosmetic Dermatology0 citationsOpen Access

Impact of Ceramide Acyl Chain Length on Human Skin Barrier Recovery and Hydration

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DGDo‐Hyeon GwonHCHyun Kyung ChoiELEun Ok Lee

Key Points

  • To evaluate how different lengths of ceramide acyl chains affect skin barrier recovery and hydration.
  • Conducted in vivo tests on human skin
  • Compared longer-chain to shorter-chain ceramides
  • Measured skin barrier function and hydration levels
  • Longer-chain ceramides significantly improved skin barrier function
  • Significant enhancements in hydration observed with longer-chain formulations
  • Supports the design of effective ceramide-based skin care products

Abstract

This study provides the first in vivo human evidence that ceramides with longer acyl chains confer superior improvements in skin barrier function compared with shorter-chain ceramides. These findings highlight the critical role of acyl chain length in ceramide-mediated barrier enhancement and support the rational design of ceramide-based formulations for optimized skin barrier restoration.

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Cite This Study

Gwon et al. (2026) studied this question.

synapsesocial.com/papers/69b4fbc1b39f7826a300c2f0https://doi.org/10.1111/jocd.70795
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