Dead skin cells are a main ingredient in household dust.#shorts

Added: 2026-05-26

[00:00:00]Dead skin cells are a main ingredient in household dust. According to researchers at Imperial College London, humans shed around 200 million skin cells every hour. And when we're indoors, those cells have to go somewhere. If the idea of skin dust grosses you out, here's some good news. A report from the American Chemical Society found that a skin [music] oil called squalene naturally helps reduce indoor ozone levels by up to 15%. So, it's not all bad.