Derma Exfoliate Shampoo to be tough on dandruff but mild on your hair. When you’re diagnosed with dandruff it means that you’ve got more of a naturally occurring scalp fungus than usual. This fungus kicks your scalp’s cell renewal process into overdrive causing — you guessed it — dandruff. That’s where Care Derma Exfoliate Shampoo comes in. It contains octopirox a substance that puts the fungus’ excessive multiplication to a halt and clears away visible dandruff flakes. The shampoo’s anti-bacterial properties relax the skin’s sebaceous glands soothing your itchy irritated scalp. The result: a scalp that works as it’s supposed to and lovely healthy hair.