Caution: This product contains ingredients which may cause skin irritation on certain individuals and a preliminary test according to accompanying directions should first be made. This product must not be used for dyeing the eyelashes or eyebrows; to do so may cause blindness. Keep out of reach of children. Hair colourants can cause severe allergic reactions. Follow instructions. not intended for use on persons under the age of 16. temporary “black henna” tattoos may increase your risk of allergy. Do not color your hair if you have ever experienced reactions after using hair colors or temporary “black henna” tattoos in the past or if you have a facial rash or sensitive, irritated or damaged scalp. Avoid eye contact. in case of eye contact: rinse immediately. Allergy alert test: apply a small amount of product to clean, dry, inner side of elbow and wait 48 hours. If there is any burning, redness, swelling or itchiness, do not use this product.