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, or if you have ever experienced any reaction to a temporary 'black henna' tattoo in the past. Patch test a small area before use. Contains phenylenediamines. Do not use to dye eyelashes or eyebrows. For professional use only. Wear suitable gloves.