The range by Schwarzkopf Professional includes a multitude of first-class hair care products which allow for a new hair colour treatment while also supporting the maintenance of the hair. As its name already reveals, the Igora Royal Oil Developer is a developer which is oil based and contains exquisite ingredients which do their job well beyond just when colouring the hair. The hair also recieves the best possible care and protection. Please note that the range offered by Schwarzkopf Professional is a product palette intended for hairdressers. While it can be used by amateurs, this is only the case if the necessary expertise is available. This product for changing the hair colour/colouration and caring for the hair can be used in combination with complementary products which provide the following results.