Asymmetrical follicles yield hair that curls, symmetrical follicles yield straight hair. The longer curly hair grows, the more complex its structure can be, says a study reported in a journal of ...

it is likely that long hair growth evolved later to compensate for curly hair’s tendency for wear and tear. Hair length depends on the hair growth cycle. A hair follicle can either be in the active ...

With hair we suffer from a similar problem, where, okay, well, we have all these descriptions of straight, wavy, curly, but is that ... s the shape of the hair follicle, but we still have a ...

“The curly hair bulb is oval, creating a follicle with natural bends and twists,” the Tais Hair Studio director says. “This creates styling and cutting challenges.” Pantigas says curly ...

Curly hair is not easy to manage. They may lack moisture and dry out easily. But when managed well, they can look really very ...

Most curly hair products are carefully designed with ... to slough dead skin from the scalp and hibiscus to strengthen the follicles for less hair loss. Product testing review notes: “This ...