Caution: This product contains ingredients that may cause skin irritation on certain individuals and a preliminary test according to accompanying directions should first be made. this product must severe allergic reactions. Hair dyes can cause severe allergic reactions. Please read and follow the instructions. This product is not intended for use on persons under 16 years of age. Temporary black henna tattoos may increase the risk of allergy. Do not dye your hair if you have a rash on your face or if your scalp is sensitive, irritated or damaged, as well as in case of past reactions after dyeing your hair or after a black henna temporary tattoo. For professional use only. Rinse hair well after application. Rinse the eyes immediately in case of contact with the product. Not to be used for dyeing eyelashes and eyebrows. Wear suitable gloves. Carry out a preliminary skin sensitivity test on the client before each colouring. Keep out of reach of children.