Cool After Coloring Hair How Long Wait To Wash Ideas. Web if you choose what's known as a fashion color for your hair, such as bright pink, orange, or purple, kromer recommends washing just once a week and using dry. That’s how long it takes for the hair cuticles to fully close, which traps in.

This waiting period allows the. If this is the first time you’ve. That’s how long it takes for the hair cuticles to fully close, which traps in.