Keratin Complex Intense Rx Repair SerumKeratin Complex Intense Rx Ionic Keratin Protein Restructuring Serum delivers over 25% of pure Keratin Protein to rebuild the hair's tensile strength and elasticity. Through the use of electrostatic penetration, the Keratin fuses to the existing protein bond revitalizing extremely damaged, color treated and chemically compromised hair. Intense Rx Leave in Serum is infused into the hair shaft by the use of a blow dryer. After just one application, you will see and feel the results!Size options: 1.0 oz 1.7 oz 3.4 ozDirections for Use:After shampooing hair with Keratin Care or Color Care Shampoo, towel dry hair. Apply quarter size amount of product (depending on the length of the hair) into palm of hand, and distribute evenly concentrating on the mid-shaft to ends. Apply plastic cap, and allow hair to cool. For optimal styling results use 2-4 pumps of Keratin Complex Infusion Therapy. Finish and style with a blow dry and/or flat iron to achieve a soft, shiny and smooth finish. FREE GIFT! Purchase $99 or more in Keratin Complex products and get a FREE Keratin Complex Flex Flow Hairspray Full Size 10. 2 Ounces! A $26.00 Value!