What developer do I use with igora Royal absolutes?
9% 30 Vol.
How long does Schwarzkopf igora process?
Use a 1:1 mixing ratio with Schwarzkopf IGORA Vibrance Activator Lotion or Schwarzkopf IGORA Vibrance Activator Gel. This method allows for root coverage while maintaining health and vibrance of hair ends. On dry hair, apply IGORA Royal to root regrowth and allow to develop for 10-20 minutes.Mar 18, 2019