history: I just brown hair.  I wonder how many people have brown hair.
knowledge: Brown hair is the second most common human hair color, after black hair.
response: Next to black hair, it's actually the second-most common hair color.
history: I just brown hair.  I wonder how many people have brown hair.
Next to black hair, it's actually the second-most common hair color.
Is there a reasons so many people have brown hair?
knowledge: Generally, if more eumelanin is present, the color of the hair is darker; if less eumelanin is present, the hair is lighter.
response: I don't know why large numbers of them do, but I know that in general eumelanin controls how dark hair is. The more there is, the darker the hair.
history: I just brown hair.  I wonder how many people have brown hair.
Next to black hair, it's actually the second-most common hair color.
Is there a reasons so many people have brown hair?
I don't know why large numbers of them do, but I know that in general eumelanin controls how dark hair is. The more there is, the darker the hair.
Does the color of the hair change anything else about it?
knowledge: The darker a person's natural hair color is, the more individual hair follicles they have on their scalp.
response: Well actually the darker a person's hair color is, the more individual hair follicles they have on their scalp as well!
history: I just brown hair.  I wonder how many people have brown hair.
Next to black hair, it's actually the second-most common hair color.
Is there a reasons so many people have brown hair?
I don't know why large numbers of them do, but I know that in general eumelanin controls how dark hair is. The more there is, the darker the hair.
Does the color of the hair change anything else about it?
Well actually the darker a person's hair color is, the more individual hair follicles they have on their scalp as well!
Does that affect the strength of the hair?
knowledge: Hair care routines differ according to an individual's culture and the physical characteristics of one's hair.
response: I couldn't say. However, routines for hair care vary based on culture and the hair's physical characteristics.