Paul Mitchell Color Shampoo - Platinum and Light Blonde: rated 1 out of 5 on MakeupAlley. Paul Mitchell Platinum Blonde Shampoo. The shampoo is specially formulated with a violet tint design that gets … The Paul Mitchell Platinum Blonde Shampoo is the best purple shampoo for blonde, silver-colored, and white hair. Purple shampoo can be drying, but Paul Mitchell’s Platinum Blonde Shampoo is formulated with “conditioning ingredients and extracts” to … See 1 member reviews and photos.