Argan Oil Nourishing Shampoo Cleans and Nourishes This argan oil shampoo gently cleanses the hair fiber, provides softness and detangles. Hair is nourished with Vitamin E, Omega 3 and Omega 9, and looks healthy and shiny from roots to ends. Directions: Distribute the argan shampoo evenly through wet hair. Massage gently to lather. Rinse with warm water. Repeat if necessary.