Safety: Safety Instructions: Hair lighteners 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. Do not lighten your hair if: - you have a rash on your face or sensitive, irritated and damaged scalp, - you have ever experienced any reaction after lightening/colouring your hair, - you have experienced a reaction to a temporary "black henna" tattoo in the past. Contains hydrogen peroxide and ammonia. See bottom of pack for full list of ingredients. Avoid contact with eyes. Rinse eyes immediately if product comes into contact with them. Do not use to dye eyelashes or eyebrows. Rinse hair well after application. Wear suitable gloves. Conduct an allergy alert test 48 hours before each time you colour (see enclosed leaflet), even if you have already used lightening/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 lightener product. Keep out of reach of children. Can cause an allergic reaction - follow the safety instructions.