AmikaAmika Bust Your Brass Cool Blonde Shampoo

BUY at Birchbox

Same formula you love, fresh new look! Buttery blonde hair with zero brassiness? Its totally possible. The violet pigment in this shampoo cancels out those harsh yellow tones that usually appear in pale, cool colors. The formula is pH-balanced and sulfate-free, meaning it wont strip your hue or fade it fast. It also contains deeply nourishing ingredients like avocado oil, wild cherry bark extract, and sea buckthorn seed oil, so you don't have to compromise hydration for color protection.