Why is pubic hair generally more coarse and curly than the hair on your head?

We evolved to keep our pubic hair even after we lost most other body hair because it provides more surface area for pheromones to disperse into the air. So, it makes sense that the hair would be curly and coarse--more surface area in a smaller area.
Why is pubic hair generally more coarse and curly than the hair on your head? Why is pubic hair generally more coarse and curly than the hair on your head? Reviewed by Auto Incorrectable on January 17, 2014 Rating: 5
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