Kerastase Oily Scalp Shampoo Review / The best shampoos, washes, and dry shampoos for oily hair, from brands including r+co, verb, davines, aveda, inoar, euforia, act+acre, evo, iles formula, kerastase, hairstory, dphue, and no matter your hair type, an oily scalp can weigh down your strands, a look that most people try to avoid.