Yes, they do. Chemicals are applied to your hair to change the hair cell to make it curl.
In hair perms there are chemicals that damage it and those chemicals can even change your hair color and leave a ugly result.those are the stuff that is in hair perms.
Perms damage your hair which eventually thins it out, just like straightening it or blowdrying it too much can. Although, hairspray should not thin your hair.
No, hair perms can not cause cancer.
Does Cost Cutters do perms on your hair
Perms curl your hair and a relaxer straightens your hair. Many people confuse the two.
Its good on perms because it has safe heat which the settings are good for perms and delicate hair
YES!
yes it can
yes.
Perms CHEMICALLY, not PHYSICALLY, change your hair. It's not like a spray or a gel that can be removed.
It depends on your hair type and other things. If your hair is damaged of really thick you might not want to get one.
Perms can be bad for your hair if they are not done properly, they are not in fashion now and haven't been since the eighties. Perms also damage the hair because it is a chemical procedure that alters it from within. I would say that you really have to be sure of if you want it and if you will be able to manage it.