Do blondes have more fun? The OUAI jury is still out on that one. If you've ever taken the peroxide plunge, you know from experience that the saying only comes true after you've nailed the recipe for goodbye-ing brassy tones. Whether you're (trying) to have more fun in a high-wattage hue like Kim Kardashian or a balayage blonde like Rosie Huntington-Whiteley, finding a regimen that maintains that angelic color while also moisturizing it isn't as easy as a Google search. Ahead, celebrity colorists Riawna Capri, co-owner of Nine Zero One Salon in LA, and Lena Ott, owner of Suite Caroline in NY, spill their secrets on how they eliminate icky, brassy tones on their A-list clients, including the right shampoos, conditioners, and culprits to keep in mind while kicking brassiness to the curb.