Pro-Keratin + silk. No sulfates, parabens and harsh salt system (System of Shampoo, Conditioner and Renewal Spray). Biolage Advanced Keratindose: Formulated with Pro-Keratin + silk, it provides targeted reinforcement and moisture balance to overprocessed hair. Keratindose Conditioner moisturizes and smoothes overprocessed hair to nourish while keeping hair silky and manageable. www.matrix.com. Made in USA.