The surface layer is made up of scales called cuticles. (like the back of a fish). Marlene M. Gutierrez, of the Yale-New Haven Teachers Institute, explains:
"Healthy hair feels smooth to the touch because the scales are smooth, regular and lie flat.
So it turns out that hair is...Dead!
For real! That's why when you cut it, it doesn't hurt...makes sense right?
So, when we say "bring your fro to life", remember that we're speaking figuratively. It also means that when we say "healthy" hair, we don't mean healthy like your body is healthy, what we mean is "not damaged".
You may have heard this before....