normcore signature shampoo275ml A sulfate free shampoo, enriched with vitamins and antioxidants, for soft and nourished hair. How to use Massage a quarter sized amount of Normcore Signature shampoo into wet hair, focusing on the roots. Rinse. Perform a double cleanse: the first time to cleanse, the second to fully benefit from all the properties of this shampoo. Rinse thoroughly. For best results, follow with Normcore Signature conditioner or Soulfood nourishing mask.