Do you need to cover gray hair or completely change your hair color? Then the Schwarzkopf Professional IGORA ZERO AMM ammonia-free permanent hair dye is made for you! The dye creates an intense yet natural-looking color that lasts a long time. Its formula, enriched with grape seed oil and apricot kernel oil, promotes the hair's moisture balance and, being ammonia-free, does not emit the typical unpleasant odor.