Chroma ID Bonding Color Mask for low commitment color services, to refresh dull mid-lengths and ends, to increase longevity of IGORA ROYAL and IGORA VIBRANCE colors, to recover vibrancy and to keep optimal hair condition. Integrated bonding for flexibility without damage Color lasts up to 12 shampoos Enhancing and refreshing Deep conditioning Bonding Technology: The Magnesium Citrate bonding technology protects the hair structure from within allowing for color flexibility between subtle and bold tones without damage. Low Salt Technology: The low salt technology leads to optimal pigment availability in the hair for enhanced color results while the integrated bonding technology helps enforce structural bonds in the hair shaft for increased hair strength.