OK, I admit to having some high-tech Japanese underwear. I picked up some fairly routine HeatTech long johns from Uniqlo. They keep me extra warm in winter, but can't compare with these deodorizing briefs from Seiren.
Deoest underwear is coated with ceramic powder to absorb all kinds of less-than-pleasant body odors, from sticky perspirations to gaseous emanations. Metal ions in the powder break down malodorous compounds.
The promo vid below also tells us the powder works on kareishu, which can be translated as "old age smell." It refers to 2-nonenal, a smelly organic compound that researchers have linked to aging. … Read more