Summer is here, which means it’s time to add our Custom Purple Shampoo into your wash-day rotation if you have blond, grey, or highlighted hair. But many are still wary of using a purple shampoo – and we get it, it feels counter-intuitive at first! This is why we did a deep dive into the science behind the color-correcting abilities as well as the versatility for various hair colors, so you feel confident reaching for our Custom Purple Shampoo all summer long to keep your lighter tones cool, calm, and collected.