noun
old person smell; body odor associated with aging
Refers to the distinct body odor that can develop with age, often discussed in the context of personal care products.
最近、加齢臭が気になり始めた。
Lately, I've started to worry about old person smell.
加齢臭対策の石鹸がよく売れている。
Soap for combating old person smell is selling well.
ミドル脂臭 is a term for the oily smell of middle-aged men, similar but more specific than 加齢臭.
Compound of 加齢 (かれい, 'aging') and 臭 (しゅう, 'smell, odor'). The term became widely known in the early 2000s through marketing of deodorant products.