Best Shampoo For Blondes: Moroccanoil Blonde Perfecting Purple Shampoo You and your blond colour can wave goodbye to brassiness thanks to Moroccanoil Blonde Perfecting Purple Shampoo ($24). The tone-correcting formula puts life back into blond, lightened brunette, and grey hair after just one wash. Image Source: sephora.com Moroccanoil Blonde Perfecting Purple Shampoo $24 from sephora.com Buy Now