Kazunosuke

Japanese business manager, blogger, and YouTuber

Kazunosuke is a Japanese business manager, blogger and YouTuber from Fukui Prefecture. He writes a blog on Ameba about cosmetics and beauty, and under the title of "beauty chemist" he has written books. On YouTube he examines claims about beauty and cosmetics from a chemical standpoint and analyses cosmetic ingredients; the channel had 573,000 subscribers in March 2025.

Kazunosuke’s social media accounts

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