LIVE Colour Ultra Brights can be used on the full head or to achieve a "dip dye" look. LIVE Colour is an enriching colour mask that adds condition and vivid shine to your hair in one easy step. Its gentle semi-permanent formula contains no peroxide orammonia. It lasts up to 8 washes meaning you can change your hair colour as often as you like with Schwarzkopf LIVE Colour Ultra Brights.The product will not lighten hair. It is recommended on bleached, highlighted, streaked hair and light blonde to medium blonde hair. For long or thick hair we recommend using two or more packs. A skin sensitivity test and a strand test should be undertaken before each application. The skin sensitivity test should be carried out 48 hours prior to the use of this product,even if you have used hair colour before.