Nexxus Humectress Ultimate Moisture Daily Conditioner with Elastin Protein Is a deeply hydrating conditioner that provides the ultimate moisturization to hair. Salon-crafted with Green Caviar and Elastin Protein this conditioner helps restore lost nutrients to hair fortifying the surface of hair to help lock in moisture for 24 hours when paired with the Nexxus Therappe Ultimate Moisture Shampoo. In addition Nexxus Humectress Ultimate Moisture Conditioner provides advanced conditioning to help replenish and reawaken hair unleashing your hair natural smoothness all day long. A leader in salon-quality hair products Nexxus uses learnings from science and nature. We know that hair is made of almost 90% proteins which is why we use advanced scientific methods to identify the protein needs of each hair type and create customized formulas with proteins to bring your hair back to life.