Introducing Selsun Blue Full & Thick Shampoo. The first shampoo from Selsun Blue to address two common hair concerns. The dual action formula is specially designed with hair strengthening proteins and with vitamins to nourish the scalp and also provides powerful Selsun Blue dandruff relief. In addition, Selsun Blue Full & Thick has multiple conditioners to leave hair soft and manageable. With its refreshing, clean scent, new Selsun Blue Full & Thick is gentle enough to use everyday! Gender: Unisex.