<p style='font-size:12px'><font face='arial'>Application: leave the shampoo on for 2 to 5 minutes depending on the desired colour intensity. Then rinse out. Use daily to supply your hair with sufficient energy.<br><br>To intensity the colouring effect and for greater colour brilliance, use Plantur 39 Colour Brown Colour Conditioner after shampooing.<br>Durability after Opening: Months: 12</p>