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Decyloxazolidinone

Rating: Good
Categories: Antibacterial, Emollient

Decyloxazolidinone at a Glance

  • Functions as a preservative
  • Also a skin conditioning ingredient
  • Considered non-irritating
  • Known by the trade name DERMAC SR-38

Decyloxazolidinone Description

Decyloxazolidinone belongs to a class of synthetic protein synthesis inhibitors known as oxazolidinones. Their primary function in cosmetics is to serve as preservatives thanks to their antimicrobial properties.

In addition to this function, decyloxazolidinone is also an effective skin conditioning ingredient. That’s because it’s designed to mimic ceramides in skin’s surface layers, technically known as the stratum corneum.

It is considered non-irritating in concentrations as high as 10%, far above its usual usage in cosmetics products. It is also used as a penetration enhancer.

In its raw form, decyloxazolidinone is a white, crystalline, odorless solid. It is also commonly referred to by its trade name, DERMAC SR-38.
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Decyloxazolidinone References

CoSmileEurope, Website, Accessed July 2025
Macedonian Pharmaceutical Bulletin, December 2022, pages 285-285
Dermatology Online Journal, January 2010, ePublication
Songkanakarin Journal of Science and Technology, May-June 2009, pages 299-321