The sealing treatment is the second step in the FIBERCEUTIC treatment to support the internal structure of the hair fiber, leaving hair feeling softer and looking revitalized as if re-plumped. Intra-CylaneTM, a new innovative molecule that can deposit inside the hair, transforms in the presence of water, and as the water evaporates from the hair, it fixes and is able to form a reinforcing network inside the hair. It penetrates as deep as the periphery of the cortex to help restore hair’s internal structure.STEP 1: Fill the precision dispenser with one dosage of serum.STEP 2: Apply the serum to shampooed, towel-dried hair. Do not rinse.STEP 3: Apply the appropriate restorative hair sealing treatment, depending on hair type, thick or fine. Leave in for 5 minutes. Lather and rinse thoroughly.Between FIBERCEUTIC services, top up the hair’s condition with the appropriate FIBERCEUTIC masque.