After cleansing, apply mask evenly to damp hair. Leave in for 5-10 minutes and rinse thoroughly. For best results, use twice per week.

Precautions: Product may cause an allergic reaction. Keep out of reach of children. Protect from cold temperatures. Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary "black henna" tattoos may increase your risk of allergy. Do not color your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after coloring your hair, you have experienced a reaction to a temporary "black henna" tattoo in the past. Do not use to dye eyelashes or eyebrows. To do so may cause blindness. Rinse hair well after application. Wear suitable professional gloves. Preliminary Patch Test. The skin test should be performed on a small area of skin on the inside of the elbow. A small amount of the product should be applied in a thin layer on the inside of the elbow with a cotton swab and left uncovered for 45 minutes. Avoid contact with clothes. After 45 minutes, wash off the product carefully with lukewarm water. If any reaction occurs during the following 48 hours, rinse immediately and the product should not be used. Avoid contact with eyes. Rinse immediately if product comes into contact with them. Keep out of reach of children.