Hair Treatment Wella Professionals Pro Service (1l).- Designed for colored and damaged hair.- Protects and strengthens the luminosity of hair color- Smoothes the hair surface- Reduces split ends & frizz - Provides the hair with moisture- Prevents oxidation after coloring and optimizes pH levels in just 30 secondsSeal in your color with Invigo Color Service Post Color Treatment, designed to prevent oxidation after coloring and optimize PH levels for best hair color results. A treatment for coloring and tinting that does not weigh down; formula with antioxidants, without silicones.Application: Apply to damp hair. Leave on for 3 - 5 minutes and rinse thoroughly. For best results, follow up with Wella Professionals Conditioner or Mask.