There’s something about the smell of hot metal that is intriguing.

The podcast discussed laundry smells and how they differ fromexpensive perfume.

Whats interesting, though, are the types of laundry scents the general population craves and why.

iron with white shirt

Photo:Atlas Studio/Getty Images

Heres what the fragrance expert had to say about how laundry scents are made and how they’ve evolved.

Because at the end of the day, you know, doing laundry is very unrewarding.

We do mainly two different types [of testing], apart from our experts.

Nicoll said on the podcast.

But also we do home use tests.

Nicoll said on the podcast.

You wash your clothes; you expect themto smell clean and to smell fresh.

He explains that eventually, these tried-and-true fragrances left consumers wanting more.

Herbs and Citrus

A clean scent can go beyond soapy smells.

Consumers crave scents that are more sensorial, according to Nicoll.

Hot Metal and Outdoors

Perhaps the most surprising scent Nicoll mentioned was the smell of aldehydes.

(Not many people line dry clothes anymore, but they still crave it.)