Study: Short-chain fatty acid metabolites propionate and butyrate are unique epigenetic regulatory elements linking diet, metabolism and gene expression. Image Credit: Love Employee/Shutterstock ...

The Office for Product Safety & Standards cautioned: "The product presents a serious chemical risk as following analysis the cream was found to contain up to 19.0mg/kg clobetasol propionate.

IR3535 is a name commonly used for ethyl butyl acetylamino propionate. Bug repellents with IR3535 often do have expiration dates, since this chemical is less stable than DEET or picaridin.