Derma Purify Shampeeling from System Professional is ideal for removing persistent dandruff in combination with a very oily and irritated scalp. With regular use, its formula with Dermapure ingredients combats dandruff and balances the scalps micro-environment, providing protection against dandruff. The wide range of active ingredients in System Professionals Purify products is able to combat the known causes of dandruff more effectively than anti-dandruff products containing individual active substances. The products in the System Professional Derma series are designed to improve scalp health.