Natural hair ..why wont it stay straight?

I have hair extensions which are long..smooth..straight etc but I cant ever where them out becuase when i straighten my hair it goes curly and wavy and not smooth again

When a hairdresser straightens my hair it stay straight for like 2-3 days but I cant ever do that?

Can you name me some really good hair shampoos..conditions..sprays etc. I do have ghds but they dont do the trick. Few of my friends have naturally curly hair and once they straighen it, it will stay straight and ive just got the naturall curl

Helpp Please ..Best Answer Will Get Choosen

Natural hair ..why wont it stay straight?

i straighten my hair everyday and one thing that really helps me is Aussie 12 hour anti humidity hairspray. it makes my hair stay straight all day even in the most humid weather! plus it smellls AH-MAZING!

good luck :]

Natural hair ..why wont it stay straight?

sounds like humidity!!!

Natural hair ..why wont it stay straight?

Wish it was my hair as mine id dead straight. You can put in a tin of hair laquer and my hair will be straight 2 hours later. I cannot stand straight hair cause you can't do anything with it.