“My beauty, it's not about my hair,” the 21-year-old model tells PEOPLE Isabella Strahan opened up to PEOPLE about the new relationship she has with her hair after navigating brain cancer She says she ...

If you spend any time on TikTok or Instagram’s beauty side, you’ve almost certainly seen the resurgence of hair syrup.

Every day, Lisa Craig Gautier and her team sort dozens of packages in their San Francisco-based warehouse, each containing human hair. Some are from blonde-haired women, and some from brunettes.