Sachajuan Scalp Shampoo The Sachajuan Scalp Shampoo ($28) will rebalance the pH of your scalp and banish dry flakes. You'll experience a soothing minty-sensation when you put it on your scalp thanks to the rosemary oil, menthol, and ginger extract included in the formula. Image Source: sephora.com Sachajuan Scalp Shampoo $28 from sephora.com Buy Now