Hair color products can cause allergic reactions which in rare cases can be severe. If you have a tattoo the risks of an allergic reaction may be increased. Before using this product you must perform a preliminary 48-hour skin allergy test according to the accompanying directions. Read and follow the directions on the enclosed leaflet. In rare cases the use of hair dye has been associated with skin depigmentation skin lightening or loss of skin color which may be temporary or permanent. If you notice any skin depigmentation or other allergic reaction such as discomfort or severe itching discontinue use immediately. Do not use this product at all if you have skin depigmentation problems such as white patches on your skin a condition called vitiligo or if you have a family history of skin depigmentation problems as an allergic reaction may cause temporary or permanent loss of skin pigment. This product contains ingredients that may cause skin irritation in certain individuals and a preliminary 48-hour test according to accompanying directions should be done first. This product must not be used for dyeing the eyelashes or eyebrows to do so may cause blindness. Keep product out of reach of children. Not for use on children.