In a few mammals, including hedgehogs and porcupines, the hairs have been modified into really hard spines or quills. These are generally coated with thick plates of keratin and function safety versus predators. Eyebrows and eyelashes never improve over and above a specific size (eyelashes are seldom much more than https://hairsaloninottawa09764.atualblog.com/43013505/5-simple-techniques-for-hair-salon-in-ottawa