Is 'old person smell' a thing?

We've received questions from listeners worried that other people can smell their age. So is "old person smell" a thing? And do you need expensive soap to combat it? Norman and Tegan discuss some of the science underpinning this supposed phenomenon, and where marketing tricks play a part. References: 2-Nonenal Newly Found in Human Body Odor Tends to Increase with Aging Measurement of 2-nonenal and diacetyl emanating from human skin surface employing passive flux sampler—GCMS system Analyses of volatile organic compounds from human skin The effect of polyphenol-containing soap on reducing body odor in middle-aged and elderly men The Smell of Age: Perception and Discrimination of Body Odors of Different Ages Diet quality and the attractiveness of male body odor If you enjoyed this episode, check these out! Don't sweat it? Conventional vs natural deodorants What has your nose got to do with sleep?