Hair colourants can cause severe allergic reactions. Conduct a skin allergy test 48 hours before each time you colour, even if you have already used colouring products before. For a skin allergy test apply small amount with a cotton wool bud to cleansed area of skin behind the ear and allow to dry. Check area regularly over 48-hour period to check no reaction occurs. If a reaction occurs DO NOT use this product. Read and follow instructions carefully. Do not colour your hair if: you have a rash on your face or a sensitive, irritated and 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. In these cases, a doctor should be consulted before using any hair colour product. Temporary black henna tattoos may increase your risk of allergy. Do not use if your hair has been coloured with henna or metal dyes or colour restorers. Do not use to dye eyelashes or eyebrows. Failure to observe this direction can cause blindness. Do not use to dye the beard, pubic hair or any other body hair - intended only for colouring scalp hair. Avoid contact with eyes. Rinse eyes immediately if product comes into contact with them. Rinse hair well after application. This product is not intended for use on persons under the age of 16. Keep out of reach of children. This product will not lighten the hair. This product may stain therefore avoid direct contact with fabrics, surfaces, carpets and upholstery. Any spillages should be cleaned immediately.