<p style='font-size:12px'><font face='arial'>Application<br>Leave on the scalp for 2 minutes - from application to rinse. This shampoo does not contain softening silicones so your hair will immediately have more grip.<br><br>Information for competitive athletes: Alpecin Caffeine can be detected in hair follicles.<br><br>Durability after Opening: Months: 12</p>