Compléter Ch 11 Properties of Hair & Scalp (D)Version en ligne Chemical Composition par Shawanna Whidbee 1 originating protein follicle composed Hair is of that grows from cells within the hair . 2 keratinization cells maturation The of these is called . 3 five COHNS elements elements nails skin Together , the that make up human hair are referred to as the to help people remember them ; they are also found in the and the . 4 hydrogen cross dries link broken bond heat water A is a weak , physical , - side bond that is easily by or ; these bonds reform when the hair . 5 salt bonds side polypeptide Weak bonds , physical , cross - linked between adjacent chains are . 6 waves chemical relaxers bonds disulfide permanent The hairs strongest side bonds ; are broken through and . 7 pigment Pheomelanin Melanin Eumelanin are the tiny grains of in the cortex that give natural color to the hair ; and . 8 extremely pattern wavy curly straight shape wave The of hair refers to the of the hair strand and is described as , , , or curly . 9 curl Native Asian anyone African extremely extremely varying straight curly and Americans tend to have hair , while American ? s tend to have hair ; however of any race , or mixed race can have hair with degrees of . 10 often curly low elasticity Extremely hair has .
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