Because some peoples hair is not naturally straight. You have to have a hair straightener to make it stay straight, if you get it wet it will go frizzy
Curly, cuz if your hair is straight and thick, your curls wont stay long, if its straight and thin, the curls will stay long, but depends on the hair spray... when your hair is curly you can curl it better....
buy a hair straightening shampoo, just apply like normal shampoo and your hair can stay straight for up to a week! However some are a bit pricey...
To make layered hair stay straight, use a straightener. It is important to not let the straightener get too hot, as this can cause burns, or can burn your hair.
get a straight perm
if you have straight exttensions and dont purposely curl or wave them thety will be straight
Yes.
You can purchase hair relaxer to help your curly stay straight or you can use a straightener.
you need to put hairspray
Straighten it and use hairspray. You could also use hair products that are meant to create straight hair or ask your hairdresser for advise.
No it will not stay for ever like that.
You can do that in a number of ways. Certain conditioners keep your hair from frizzing up and staying long and straight. This is not the healthiest way to treat your hair but once in a while, use a hair straightener, it tends to stay straight for the whole day.