Senscience C.P.R. Step 1 & 2 Duo (33.8oz Each):An intensive two-step in salon restorative treatment that repairs the cuticle porosity deficiencies by replenishing vital nutrients that have been depleted from hair. Fortifies, moisturizes and protects hair. Formulated with Keratin, Silk Amino Acids and Bio-Structurer to penetrate damaged cuticle layers to repair, smooth and seal for lasting protection that preserves moisture and shine. (33.8 oz.).What else you need to know:Stage 1: Porosity Reconstructor - An intensive two-step in salon restorative treatment that repairs the cuticle porosity deficiencies by replenishing vital nutrients that have been depleted from hair. Fortifies, moisturizes and protects hair.Stage 2: Cuticle Repair - Replacing lost or damaged cuticles penetrates damage cuticle layers to repair, smooth and seal for lasting protection. Preserves moisture and shine.Senscience Inner Restore Intensif Deep Repairing Masque:Enriched with Shiseido Laboratories exclusive blend of silicone emulsions to replenish moisture and key amino acids that promote healthy hair. Polymeric conditioners and humectants provide exceptional slip to hair while balancing hair's moisture level.