The shorter hair starting at the beginning of your headline. Some might have them and other may not. Don't get your baby hair mistaken with your full grown hair that people just looking slicking on their foreheads like damn fools.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Are the hairs at the beginning of your hair line, usually on girls. Their small and soft. Don’t confuse this with your grown up hair.

When ghetto girls grease the wispy hair at the edges of their hair. They likely have long fake tacky fingernails.
These girls get mad and downvoted this

when you try to grease down the fine hair that's not as long as your natural hair mostly ghetto people do this so dont do baby hair

baby hairs are those tiny little pieces of hair that girls usually have sticking up after they straighten their hair. They're super annoying and really ugly.

Curly blondish hair on a male. Is usually short, and is reffered to as baby hair mainly because of the sort of "cupid" look it gives off.