Should You Remove Old Box Color First Or Just Color Over It?

There's nothing more infuriating than a client who is devoted to her at-home box dye sessions, especially when she uses dark color to cover blonde hair (and then wants to go lighter again). One stylist in this scenario wants to know—should she use a color remover first or just go in with the lightener and hope for the best? Keep reading to find out what advice BTC Community members had to offer!

"I have a client coming to me for the second time. Last time…