Warning: Read and follow instructions before use. This product is not intended for use by persons under the age of 16. Temporary “black henna” tattoos may increase your risk of allergy. Conduct an allergy alert test 48 hours before each time you colour (see enclosed leaflet), even if you have already used colouring products before. So remember to buy the product 48 hours in advance. In case of any reaction or when in doubt consult a doctor before using any hair colour product. Do not use to dye eyelashes or eyebrows. Rinse hair well after application. Wear suitable gloves (gloves included in the pack). Do not colour your hair if: you have a rash on your face or a sensitive, irritated or 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.