Without color; lacking characteristics which give variety. blank (Adjective). Free from writing, printing, or marks; having an empty space to be filled in; as, blank paper; a blank check; a blank ballot. blank (Adjective). Without expression.
Yes they do damage hair. Every time I have tried one ,I wound up looking like a Q-tip or my head looked like cotton. A perm will damage even more and look worse if you have been coloring your hair. There's chance of it looking okay if you don't color your hair.
Perms for Long Hair: How to Care for Spiral Perms. Regardless of your type of perm, be it a soft spiral perm or a curly perm, it needs special care in order to look amazing. So stock up on curly hair care products, like shampoos, conditioners and wavy hair masks.