bookofjoe
5 hours ago
https://en.wikipedia.org/wiki/2-Nonenal
>2-Nonenal Newly Found in Human Body Odor Tends to Increase with Aging [2001]
From the paper's abstract: "2-Nonenal, an unsaturated aldehyde with an unpleasant greasy and grassy odor, was detected only in older subjects (40 y or older).
https://www.jidonline.org/article/S0022-202X(15)41198-4/full...
The fact that it's been 25 years since the causative chemical with a "unpleasant greasy and grassy odor" was discovered and yet there's still no counteracting substance available is very surprising.
kurthr
4 hours ago
The Japanese have been obsessed with it since the study came out and have a variety of treatments (tannins in persimmons and greentea) though none have passed large scale clinical trials :)
I was fed a YT video about it recently so it must be part of the "moment". Also a topic on menopause blogs from searching.
https://asayujapan.com/blogs/asayu-blog/persimmon-soap-answe...
https://miraiclinical.com/pages/why-this-ucla-trained-anti-a...
bookofjoe
4 hours ago
2001 paper's authors and affiliations:
Shinichiro Haze Send email to shinichiro.haze@to.shiseido.co.jp ∙ Yoko Gozu ∙ Shoji Nakamura ∙ … ∙ Kiyohito Sawano† ∙ Hideaki Ohta† ∙ Kazuo Yamazaki† Affiliations & Notes 1 Shiseido Co. Ltd., Product Development Center, Yokohama, Japan * Shiseido Co. Ltd., Basic Research Center, Yokohama, Japan † Takasago International Corporation, Central Research Laboratory, Hiratsuka, Japan
You'd think Shiseido would've put this on the front burner what with Japan's aging population but no sign of a product — lotion/spray etc. — after 25 years!