It is mandatory to perform a skin allergy test 48 hours before each use of the product. The product must be used in accordance with the instructions specified in the instructions for use. Hair dyes can cause severe allergic reactions. Read and follow the instructions. The product is not intended for use by persons under 16 years of age. Temporary "black henna" tattoos may increase the risk of allergic reactions. DO NOT DYE YOUR HAIR IF: - you have a rash or allergy on your face, - you have ever had a reaction after dyeing your hair, - you have ever had an allergic reaction to a temporary "black henna" tattoo. In such cases, consult a doctor before dyeing your eyebrows. Rinse thoroughly after use. Avoid contact with eyes. Rinse eyes immediately if the product comes into contact with them. The mixture must be used immediately after preparation. KEEP OUT OF REACH OF CHILDREN. Hair Dyes