Hair care Hair Coloring Schwarzkopf Professional Dye Essensity 4,0 60 ml First permanent colorationbased on oil without ammoniawith phytolipid technology. Essensity coloration is our first permanent non-ammonia coloration withphytolipid technologythat provides the most natural color results and respects multitonal hair reflections. It covers up to 100% of gray hairand does not contain mineral oils, silicones or artificial fragrances.