'Perm' may be short for 'permanent,' but the hairstyle's lifespan varies more than you might think. A perm typically lasts three to six months, depending on your hair type and how well you take care of it. The appointment is a long process, too, often lasting anywhere from one to five hours.
Does permanent last forever?
Permanent hair dye (like the name suggests) is designed to last longer than temporary and semi-permanent hair dyes, however, it still doesn't last forever. Unlike semi-permanent hair dye that's designed to last just a few shampoos, permanent hair dye penetrates the hair strands more, locking in the colour for longer.
Does permanent hair dye fade eventually?
"Most color — even permanent dyes — will fade and settle after a few days," she says. "So, before you start stripping and damaging your hair, give it a few days. Style it away from your face if you're really scared." Give yourself some time to get used to it.