100% free from ammonia Schwarzkopf Professional Igora Zero AMM 7-55 Medium Blonde Gold Extra is a permanent hair colour creme that can be used for all colour techniques with zero compromise! The ammonia-free formula features Phytolipid Technology specific pigment mixes and a blend of natural micronised oils which seal in colour pigments for long-lasting natural true-to-tone colour results without the unpleasant ammonia odour.