IGORA ROYAL 9-4 60 ml IGORA ROYAL #9-4 60 ml IGORA ROYAL 9-4 60ml IGORA ROYAL 9-4 is a permanent hair color product from Schwarzkopf Professional. It is a light golden blonde shade that can be used to create natural-looking highlights in your hair. It is a cool, light blonde shade that will give you a subtle golden shine. This shade is ideal for those with light to medium blonde hair or those looking to add some subtle highlights to their hair.