If you have ever experienced any allergic reaction following the use of a hair colouring product, do not use this or any other hair colouring product. Hair colourants 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. Before using this product, you must perform a preliminary 48-hour skin allergy test according to the enclosed leaflet. Do not colour your hair if: - you have a rash on your face or sensitive, irritated or damaged scalp. - you have ever experienced a reaction after colouring your hair. - you have experienced a reaction to a temporary "Black henna" tattoo in the past. Avoid contact with eyes. Rinse immediately if product comes into contact with eyes. Do not use to dye eyelashes or eyebrows. Read and follow instructions on enclosed leaflet. Contains phenylenediamines. In rare cases, use of hair colour has been associated with skin depigmentation (white patches, loss of skin colour or a condition called vitiligo), which may be temporary or permanent. If you notice any skin depigmentation, discontinue use immediately. Do not use hair colour products at all if you have skin depigmentation problems or if you have a family history of skin depigmentation problems. Remember to perform the skin allergy test 48 hours before first use and whenever you have not used this shampoo for 2 consecutive weeks or more, even if you have previously used this or other hair colouring products. For this reason buy this product two days before you intend to use it. Caution: this product contains ingredients which may cause skin irritation on certain individuals and a preliminary 48-hour skin allergy test according to the enclosed leaflet 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. For external use only. Avoid contact with eyes. In case of contact, rinse immediately.