50 Years of Innovation: For over 50 years, Rene Furterer has selected precious plant essential oils and plant extracts from around the world. These rare and precious active ingredients are fragrant and have excellent scalp care and hairdressing results. It purifies and soothes the scalp and hair while rejuvenating the hair. 50 Years of Hair Care Expert: Since 1957, Rene Furterer has created a unique approach to hair care. First check the health of the scalp, and then customize the hair care plan according to the diagnosis results: conditioning the scalp / deep cleaning / rhythm maintenance. Forever Deya cares for the health of the scalp and hair in many ways, leaving hair shiny and lustrous.