I didn't cut my little ones' hair till they're really long. ( I guess because I am lazy) but I never shave them. And according to the info from my mom, my hair has never been shaved either. Now my bigger son's hair is like mine, thick and black but my younger one's hair is still soft and a bit yellowish, but I am quite sure his baby hair will fall off eventually and he's going to have healthy and beautiful hair.