Type 1: Straight

The main characteristics of straight S1a hair are:- Hangs loose and free.- Sleek.- Shiny (reflects light easily). - Hard to damage.- Very hard to curl.- Easily becomes oily.

Type 1: Straight

The main characteristics of straight S1a hair are:

- Hangs loose and free.
- Sleek.
- Shiny (reflects light easily). 
- Hard to damage.
- Very hard to curl.
- Easily becomes oily.