Adults have two types of hair, vellus and terminal. Vellus hair is soft, fine, colourless and usually short. In children and most women, vellus hairs grow on the face, chest and back and the skin ...

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 still be ...

Hair is shed as club hair. 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 ...