Post Color is the second step to ensure long lasting color with radiance. It is a spray used to stabilize color. It helps in hair regeneration by nourishing them and making them silky. It also increases the lasting and intensity of color. Parabens and gluten free.nHow to Use:n- After washing hair with Go Shampoo, towel dry hair.n- Spray on lengths and massage delicately.n- Leave for 1-2 minutes and rinse well.n- Follow with Color Method Mask.