Kinkly

and were addicted to short kinkly curls, exaggerated, in the case of villains of more than ordinary atrocity, into a stream of raven locks[…]

When I knew him he was forty years of age, a thin, spare creature, with a bush of kinkly hair, negro lips, and a long face like that of a horse.

Hair has different form, texture, weight and shape in cross section, like, straight, wavy, curly, kinkly and woolly or peppercorn.