Excellence is a Permanent Hair Colour. The only hair colour which comes with the “Complete Kit” which protects, strengthens and replenishes hair.  Pro-keratin: Excellence Crème Revitalizes colour. Hair feels Stronger. Ceramide: Enriched with Ceramide, a replica of hair's natural cement, leaves the hair looking Smoother and feeling Protected. Collagen: Known for its firming properties collagen-infused Excellence Crème leaves hair feeling replenished.