23 Best Purple Shampoo of 2022, According to Editors
The 23 Best Purple Shampoos For Toning Blond Hair
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The Olaplex No. 4P Blonde Enhancer Toning Shampoo ($28) works on blond, gray, and white hair to neutralize brassiness and restore the cool color you left the salon with. Like all Olaplex products, it's great for repairing damaged hair.