Most men have natural perm hair, while others style themselves with this fashionable hairstyle full of waves and curls. If you are confused about whether you can undo perm hairstyles for guys, then you can shed off your worries by following some basic steps you can undo your perm hairstyle. First of all, you require to wash your hair with color-protecting shampoo and conditioner to cleanse and hydrate your hair. This helps your curls to relax. You can also condition your hair with hot oil to loosen the tight curls.