If you’re using conditioner, look for products labeled as ‘synthetic safe’ or something similar.
If you’re letting the hair sit for a long time, you only need to agitate it for the first 5 to 10 minutes.
Blow dryers and other heat-based tools can permanently change the shape of synthetic hair, so avoid using them whenever possible.
Though you shouldn’t use any normal hair products on wigs or extensions, avoid hairspray in particular as it can actively degrade the synthetic strands.
Give bendy rollers a try if you’d like to curl your hair without heat. They’re affordable, effective, and versatile—plus, they can create curls of any size.