The Schwarzkopf Professional range includes many first-class cosmetic products that enable a new hair colour/coloration and at the same time support hair care. As the name suggests, the Igora Royal Oil Developer is a developer on a special oil base with very exquisite ingredients that not only perform very well during colouring. The hair is also optimally cared for and protected. Please note that the Schwarzkopf Professional range is a product range for hairdressers. It can be used by non-professionals, but only if the necessary expertise is available. These cosmetics for changing hair colour/coloration and hair care can achieve the following results in combination with complementary products.Great effects that impressBy using the high-performance Igora Royal Oil Developer as a supporting developer, you get long-lasting results and a fascinating shine. Depending on the additional components used, you can colour your hair darker, dye it completely white, colour it with the Igora Royal pastel shades and much more. The product is very versatile due to the many application options and represents a creative enrichment. Please read the information on the packaging before use.