Mayyven is a good example of a startup building for a massive market (the hair extension industry is $5B in the U.S.) that many people aren't familiar with because they're not the consumer.
Report
I, too, have always wondered about the answer to this question. Hair extensions are very strong and thick. Here https://lifeofhair.com/source-great-lengths-extensions/ you can read more about what kind of hair they use in Canada for hair extensions. Personally, I didn't even know about that. Very interesting.
Product Hunt
