and forehead. 23 weeks to birth Melanin starts being produced, adding color to hair. 33 to 36 weeks Lanugo is shed. 26 to 40 weeks Vellus hair (peach fuzz) replaces lanugo. Birth Some lanugo may ...

Terminal hair Thicker, more mature pigmented hair. Vellus hair Lighter pigmented, fine hair that may be present on the forehead and face. Whorl A pattern of hair growth characterized by a ...