Targets only the gray hair and replaces it with subtle tones that match your natural hair color. Easy as shampooing: No-drip formula works in 5 easy minutes. Rejuvenates hair: Vitamin enriched. Leaves hair thicker and fuller-looking. Ammonia-free formula wont damage hair. Lasts up to six weeks: Lasts until the gray grows back. Less than 50% gray? Use a shade thats one shade lighter than your naturIngredients:Water; Ethoxydiglycol; C11-15 Pareth-3; Canola Oil ty Acids; Aminomethyl Propanol; p-Phenylenediamine; Resorcinol; Oleyl ; m-Aminophenol; 4-Chlororesorcinol; Fragrance; Sodium Sulfite; Erythorbic Acid; Cetyl ; Phenyl Methyl Pyrazolone; Trisodium EDTA; m-Phenylenediamine; Polyquaternium-22; 1-Naphthol; Panthenol; Tocopheryl Acetate; Aloe Barbadensis Leaf Extract; Anthemis Nobilis Flower Extract; Color Developer:: Water;