I've always had a problem with dandruff, and after just one day, my scalp starts to itch. This is another product from this company I've bought, this is my first shampoo. I've been using it for about three weeks. My scalp doesn't sting when I wash it, which is a good sign for me. It has a nice minty scent. After drying my hair, my scalp doesn't turn red, which I've experienced with other shampoos from other brands. I can see the difference. I highly recommend Kerastase products. They're worth the money.