Rusk Deep Shine Color Hydrate Replenishing Mask is a weekly use hair treatment that leaves hair full of movement, shine and free of tangles. Protects hair from environmental damage, heat styling, and dullness over time. When caring for color treated hair always remember to decrease the temperature of your water when washing. Wash hair less often, as over washing will fade color. Always use color protecting, heat protecting and anti frizz products when styling hair. Make sure to use hair treatments masks at least once a week for moisture, color protection, and shone enhancement. Try to avoid products with sulfates (SLS or SLES), parabens, sodium chloride, and petrochemicals.