The colour lasts for several weeks. Content for up to 10 uses, depending on amount of hair. <br><br>Contents: 1 bottle with 5 ml liquid, 1 tube 5 ml colour gel, 1 colour comb, 2 cotton buds, 10 eyelash pads, 1 detailed instructions leaflet <br><br> The colour gel contains silver nitrate: If it comes into contact with your eyes, rinse immediately with water.Simply apply the liquid to your eyelashes with the supplied cotton buds and wait one minute. Apply the colour gel with the comb supplied and wash off any excess gel immediately. Please follow the instructions supplied in the packet.