Wella Koleston Supreme Hair Color 4/6 Burgundy offers rich, deep color with complete gray coverage. Its formula hydrates and adds moisture, enhancing shine and vibrancy. Key Features Permanent cream formula Covers up to 100% of grey hair Moisturizing action for radiance Advanced Intense Gloss Treatment Color Reactivator enhances color Fresh floral fragrance Plex technology for hair repair Moisture built into every step Color Cream, Developer, Color Reactivator, Advanced Intense Gloss Treatment, Oil-Infused ElixirWella: Innovators in hair color and care, known for salon-quality products and advanced technology.Apply mix from roots through ends, massage in, leave for 40 minutes, rinse thoroughly with warm water.Hair colorations can cause allergic reactions. Use only on head hair. Always do an allergy test 48 hours before use. Do not color hair if you have a skin rash on the face, scalp sensitivity, or previous reactions to hair coloring or black henna tattoos.