Only of humans have red hair. A sexy redhead is good to find! - of those red heads have blue eyes, making them as rare as a four leaf clover. If you insist on calling me a red head then I am as rare as a four leaf clover.
Red hair is thicker than other colours. Each strand of red hair is generally thicker than other shades which compensates for the fact that redheads have less hair. Apparently they have – on average – strands while blondes have and brunettes have