Hair for babies

When did y’all babies get hair my baby is 5 months almost 6 months and only have hair on the top enough for a small ponytail maybe but she was born with hair but now its gone. I ’m hoping her hair start to grow soon at least a little hair for her 1st birthday. Ik ik not a big deal but I was just curious she already crawls well backwards lol.and is starting to try pull up on ppl.