Nexxus Therappe Moisturizing Daily Shampoo with Elastin Protein and Green Caviar Dry Hair 33.8 oz. Nexxus Therappe Shampoo for dry hair leaves hair revitalized without weighing it down giving it flexibility and suppleness. Salon crafted with Elastin Protein and Green Caviar Complex this silicone-free shampoo has a lightweight formula designed to provide moisture for up to 24 hours to dry hair when paired with the Nexxus Humectress Conditioner. While cleansing and nourishing your hair Nexxus Therappe Moisturizing Shampoo locks in moisture so you get beautiful hair that retains natural movement and is primed for conditioning. Nexxus New York Salon recommends: This Nexxus shampoo is the ideal way to begin treating dry hair and is Step 1 in the Nexxus Therappe and Humectress Ultimate Moisture Collection – a series of professional quality salon treatments for dry hair.