By Hair Texture:
* Straight: Hair follicles are round, resulting in hair that grows straight down.
* Wavy: Hair follicles are oval, creating a gentle S-shape.
* Curly: Hair follicles are more oval, resulting in tighter curls or coils.
* Coily: Hair follicles are highly elliptical, leading to tightly packed coils or kinks.
By Hair Type:
* Terminal hair: This is the thick, pigmented hair found on the scalp, eyebrows, eyelashes, and pubic area.
* Vellus hair: This is the fine, short, and usually unpigmented hair that covers most of the body.
By Hair Growth Cycle:
* Anagen: The active growth phase, where hair grows.
* Catagen: A brief transitional phase where growth slows down.
* Telogen: The resting phase, where hair sheds.
So, the answer to your question depends on how you classify hair!