#1 Dermatologist-Recommended
Smell Like
a Gentleman
Finally, a real solution for that "old man smell"
no one talks about.
As men age, their skin starts to produce a compound called nonenal. It’s responsible for that
distinctive, musky odor often noticed in older adults.
What’s causing that unfamiliar smell? It’s not poor hygiene — it’s science.
What is Nonenal Odor?
Nonenal is a real odor produced by aging skin, especially in men
It’s caused by oil buildup that standard soap doesn’t clean properly
It’s natural and not due to poor hygiene
This odor has been studied in Japan
Japanese persimmon extract
Breaks down and neutralizes nonenal odor at the source
Based on scientific research
Inspired by studies conducted in Japan on aging and body chemistry
Freshness that lasts
Noticeable results after the first wash, long-lasting freshness you can feel
Made for aging skin
Gentle yet effective formulas designed specifically for mature skin
Natural & safe ingredients
No harsh chemicals. No artificial fragrance. Just clean, effective care
Backed by science. Built with care.
Why Grandpa Stinks works
Natural & safe ingredients
No harsh chemicals. No artificial fragrance. Just clean, effective care
Made for aging skin
Gentle yet effective formulas designed specifically for mature skin
Freshness that lasts
Noticeable results after the first wash, long-lasting freshness you can feel
Based on scientific research
Inspired by studies conducted in Japan on aging and body chemistry
Japanese persimmon extract
Breaks down and neutralizes nonenal odor at the source
what's 🔥 at grandpa stinks
From son to
caregiver to founder
When I became the full-time caregiver for my father, I couldn’t figure out where that strange odor came from — no matter how much we cleaned. After months of frustration and research, I discovered nonenal and the Japanese solution behind it. That’s when Grandpa Stinks was born.
Read the full story