The distinctive "old person smell" is primarily attributed to a compound called 2-nonenal, which is a result of the oxidation of omega-7 unsaturated fatty acids on the skin as people age. This process is influenced by hormonal shifts, changes in skin composition, and potentially other factors like chronic illnesses. While the smell is a natural part of aging, it can be managed through hygiene practices and lifestyle adjustments.
Here's a more detailed explanation:
2-nonenal:
This chemical compound is produced when omega-7 fatty acids, naturally present in the skin, break down and oxidize (react with oxygen).
Aging Process:
As people age, their skin's natural antioxidant defenses decline, and the production of these fatty acids increases, leading to a greater potential for 2-nonenal production.
Other Factors:
Hormonal changes (like menopause in women), certain chronic illnesses (like diabetes or uremia), and even some skin conditions (like eczema) can also contribute to this process.
Not Necessarily Unpleasant:
While the smell is often referred to as "old person smell," studies have shown that many people don't find it particularly unpleasant or intense. Some even describe it as a "musty" or "grassy" scent that is not necessarily negative.
Management:
Good hygiene practices, including regular bathing and exfoliation, can help minimize the buildup of 2-nonenal. Using fragrance-free soaps and moisturizers can also be beneficial. In some cases, addressing underlying health conditions or dietary changes may also be helpful.
Wah bro, “老人味” ah, literally means “old people smell” lor. Usually it refers to that kind of musty, a bit sour or stale smell that some elderly people might have. Not saying all old folks got this smell lah, but it's kind of a common stereotype in Asia, especially in Chinese-speaking places.
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