The World's No. 1 Men's Hair colour. Targets only the grey hair and replaces it with subtle tones that match your natural hair colour. Rejuvenates hair and leaves hair thicker and fuller looking. No damaging ammonia. Lasts until the grey grows back. Picking your shade is easy. The amount of grey you have guides which shade is best for you. If your natural hair colour is Medium Brown with a lot of grey, this shade is right for you. If you have little to moderate grey, a lighter shade may give a better result. Safety Warning; 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 colour your hair if: You have a rash on your face or 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. Avoid contact with eyes. Rinse immediately if product comes into contact with eyes. Do not use to dye eyelashes or eyebrows. Rinse hair well after application. Wear gloves provided. Read and follow instructions on enclosed leaflet. Contains hydrogen peroxide, resorcinol and phenylenediamines. Some people may have an allergic reaction to hair colourants. Conduct a skin allergy patch (alert) test 48 hours before each time you colour, even if you have already used colouring products before. Pack contains 1x each 30ml colour base, 30ml natural colour developer and pair of gloves. Non-permanent colour, lasts up to 6 weeks. One application. Caution; contains resorcinol, phenylenediamines and hydrogen peroxide. Warning! Hair colorants can cause severe allergic reactions. Keep out of reach of children. For external use only. Always read instructions carefully before use.