Main content
Trail - Hair Care Secrets
The team examine the incredible, natural material that grows out of our heads - our hair.
Duration:
This clip is from
More clips from Horizon
-
![]()
The results are in...—2021, Horizon Special: The Vaccine
Duration: 02:02
-
![]()
Pluto’s first pictures—2020, Pluto: Back from the Dead
Duration: 02:30
