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2 Nonenal

All articles tagged with #2 nonenal

health1 month ago•47 min saved

Aging’s Hidden Scent: The Real Science Behind ‘Old Person Smell’

Yes, the so‑called “old person smell” is real. It’s linked to 2-nonenal, an aldehyde whose production increases with age (often after 40) as skin antioxidant defenses drop, sebum changes, and UV exposure accumulates. The resulting grassy, dusty odor varies by genetics, skin type, lifestyle and environment, and it’s not a sign of poor hygiene. It’s also not easily washed away because 2-nonenal sticks to skin and fabrics. Experts note skincare with antioxidants and odor-binding ingredients may help reduce persistence, but there’s no proven cure; plus, olfactory adaptation can make the scent fade to the back of your nose over time.

via Yahoo Lifestyle Canada|

#2-nonenal #aging #dermatology

health1 month ago•5 min saved

The aging aroma: why our scent changes with time

As people age, changes in skin lipids cause more of the chemical 2-nonenal to form when oils oxidize, creating a perceptible scent often labeled as 'old person smell.' The amount varies by genetics, skin microbiome, hygiene, and environment, and it appears gradually rather than suddenly (some data show emergence around age 40). Studies even suggest the odor is not necessarily unpleasant, and while you can reduce its presence with regular washing and by minimizing oxidative stress through diet, there is no guaranteed way to stop it, and no strong evidence that specialized products dramatically neutralize it.

via The Guardian|

#2-nonenal #aging #body-odor

health1 month ago•46 min saved

Aging Odor Is Real: How 2-Nonenal Gives 'Old Person Smell' Its Science

Experts say the subtle “old person smell” is real and tied to the aldehyde 2-nonenal, which rises in production as skin ages (notably after age 40) due to changes in antioxidants, sebum, and environmental damage. The scent varies between individuals and is often more noticeable to others than to the person wearing it. There’s no proven cure, but skincare with antioxidants, ingredients that bind aldehydes, and proper laundering can help reduce persistence, and olfactory adaptation can lessen perception over time, underscoring that aging and its scents are natural biological changes.

via Yahoo News New Zealand|

#2-nonenal #aging #dermatology

health1 month ago•16 min saved

The Science Behind Aging Odor: Why 'Old Person Smell' Happens

A real aging odor exists, caused by the aldehyde 2-nonenal whose production rises after age 40 due to skin aging, changes in sebum, reduced antioxidant defenses, and environmental stress. The scent varies among individuals and isn’t a hygiene failure; it can be minimized with skincare and laundering, though there’s no guaranteed cure. Olfactory adaptation may make it less noticeable over time.

via HuffPost|

#2-nonenal #aging #dermatology

science1 month ago•60 min saved

The Scent of Aging: Science Explains the ‘Old Person Smell’

Scientists confirm the aging odor known as 2-nonenal is real and increases with age (often after 40, more noticeable in the 50s+), driven by skin changes and oxidative damage. The scent varies by individual and environment, is not a hygiene issue, and while antioxidant skincare and certain products may help reduce it, there is no proven cure yet.

via Yahoo|

#2-nonenal #aging #dermatology

health7 months ago•47 min saved

Why Aging Odor Happens—and How to Minimize It

A real aging odor is produced by 2-nonenal, a fatty aldehyde whose production increases with age as skin antioxidant defenses decline, sebum changes, and environmental stress accumulate; the scent typically appears after age 40 and is more noticeable in the 50s, though it varies by genetics, skin type, and lifestyle. It clings to skin and fabrics and isn’t easily washed away, and while some people may not notice it themselves due to olfactory adaptation, there’s no proven cure. Experts suggest skincare with antioxidants and practices that reduce aldehyde persistence (like certain tannin-containing cleansers) and careful laundering to minimize the odor, framing aging as a natural change rather than a hygiene problem.

via BuzzFeed|

#2-nonenal #aging #dermatology

health7 months ago•43 min saved

Why the ‘Old-Person Odor’ Happens—and How to Manage It

Researchers confirm the so-called 'old person smell' is real and rooted in 2-nonenal, an aldehyde whose production increases with age—typically after 40 and more noticeable in the 50s and beyond. The scent varies by genetics, skin type, lifestyle, and environment, and it lingers on skin and fabrics, not easily washed away. While no proven cure exists, dermatologists suggest antioxidant-based cleansers and products that bind aldehydes, along with good skincare and laundering practices to minimize it. The smell is subjective and may be perceived differently, and aging should be viewed as a natural process rather than a sign of poor hygiene.

via Yahoo News Singapore|

#2-nonenal #aging #body-odor

health7 months ago•45 min saved

The Science Behind 'Old Person Smell' and Ways to Minimize It

The so-called 'old person smell' is real and stems from the aging skin producing more of the aldehyde 2-nonenal, a change driven by factors like reduced antioxidant defenses, altered sebum, and increased environmental damage. Production typically rises after age 40 and varies by genetics, skin type, and lifestyle; some people may not smell it themselves due to olfactory adaptation. There’s no proven cure, but skincare with antioxidants, laundering practices, and certain odor-binding agents may help reduce persistence, with research exploring future approaches such as tannin-containing soaps and eggplant extracts.

via BuzzFeed|

#2-nonenal #aging #body-odor

health1 year ago•2 min saved

Scientists uncover the cause of 'old people' smell and how to eliminate it

Research reveals that the distinct 'old people smell' is caused by increased levels of the chemical 2-nonenal, which results from oxidative stress breaking down skin fats. Consuming mushrooms, rich in antioxidants like ergothioneine and spermidine, can help reduce this odor by neutralizing 2-nonenal, as traditional methods like showering and perfume are ineffective.

via Daily Express|

#2-nonenal #dietary-change #health