What Determines Your Hair Color?
8:59
The Rarest Eye Colors in the World - Eye Colors Explained
6:22
hair color letters & numbers (tones) explained
4:54
La science de la couleur de peau - Angela Koine Flynn
8:05
What is the Origin and Reason for Red Hair?
19:57
The Hair Color That Will Best Suit Your Skin Tone
5:44
The Science Behind Red Hair: Genetics, Myths, & Fun Facts
9:06
This is the story of Black hair
28:49