Safety Warning: Safety Instructions: 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 colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “black henna” tattoo in the past. Do not use to dye eyelashes or eyebrows. Rinse hair well after application. Keep out of reach of children.