With 1 tube purchased every second in the world, Wella Professionals Koleston Perfect Pure Natural is the professional permanent hair color that may provide up to 100% grey coverage with rich, healthy-looking results and true-to-tone precision for ultimate service versatility. This hair color is suitable for all hair types. Features: Demi-permanent hair color that provides high shine and natural hair color Low maintenance and works in approximately 20 minutes Provides up to 70% gray hair coverage Ammonia-free formula, enhanced with keratin About the Brand: Bring the quality of salon hair care into the comfort of your own home, SP products combine cutting-edge science with dedicated hairdressing mastery to push the limits of hair quality and beauty. From an individualized diagnosis in the salon to a highly personalized range of products to use at home, SP delivers a complete, made-to-measure care system that totally transforms the beauty of hair. Your hair is a living part of you, as unique as your fingerprint and SP prescribes a care system tailored to its specific energy needs putting performance first.