Curly hair forms due to asymmetry of both the hair follicle and the keratin in the hair. Follicles that produce curly hair are asymmetrical and curved and lie at an angle to the surface of the ...

From straight to curly, thick to thin: here’s how hormones and chemotherapy can change your hair Published: January 11, 2024 7:16pm EST Theresa Larkin , University of Wollongong ...