Wella Koleston Supreme Hair Color 7/0 Medium Blonde offers a new permanent hair color formula with 100% grey coverage. It fights the 7 signs of damaged hair with anti-damage technology and oil-infused elixir for deep moisture and restored hair fiber. The product includes a luxurious color cream, developer, color reactivator, and an oil-infused elixir. Key Features 100% grey hair coverage Oil-infused elixir Anti-damage technology Intense, moisturized, and luminous color Delicate floral scent Plex technology Moisture built into every step Salon quality kit Aqua, Propylene Glycol, Cetearyl Alcohol, Ammonia.Wella: Innovators in hair care, offering professional-grade color solutions for vibrant and healthy-looking hair.Mix & apply, massage & leave for 40 minutes, rinse & treat.Perform an allergy test 48 hours before using the product. Do not color your hair if you have a skin rash on the face or if your scalp is experiencing sensitivity, irritation, or is damaged. Do not use if you have already had a reaction after coloring your hair or to a black henna temporary tattoo.