Type 1 hair dries straight Type 2 hair has a slight curve or "S" shape Type 3 hair has coiled curls Type 4 hair dries in well-defined, tightly coiled curls Type 1 hair is totally straight.

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So, type 1 hair has basically no curls or is straight, type 2 has waves, while type 3 includes spiraled curls and 4s have kinks and coils." Most curly hair products are carefully designed with ...

The presence of two types of hair cells, the inner and outer hair cells, in the organ of Corti was appreciated nearly a 100 years ago but the function of the two has only become clear in the last 20 ...

If you have straight hair you have Type 1 hair — or, in other words, no curls. “Type 2 curls are more wavy, and Type 3 curls are more curly,” says Taylor. “If you have coily strands ...