The Best Perm Long Thick Hair References. On the other hand, if you have shorter thick hair, smaller perm rods will create tighter curls. They work best on medium and long hair.
Perms are most commonly associated with wrapping straight hair on hair rollers or rods and applying a perm solution on top, says o'connor. A hot perm is versatile and can be used to create a number of different styles. Web you see, perms are chemical treatments that break the bonds of the hair to change its structure, leaving you with a new texture.
