Astronauts' hair care in space, as illustrated by Sunita Williams and Karen Nyberg, adapts to microgravity. Loose hair is common since gravity isn't a concern. Shower routines involve no-rinse ...

So it is almost pointless to restrict one’s mane with a hair tie unless someone wants to style it with one. The other possible reason is quite simple. Comfort and ease. Wearing headgear and ...