Nexxus Therappe & Humectress Ultimate Moisture Shampoo & Conditioner 3oz Samples Silicone Free Size is 3oz bottles & NWOT Nexxus Therappe Ultimate Moisture Shampoo 3oz: Enriched with a caviar complex & concentrated pure Elastin Protein. Therappe Shampoo cleanses while nourishing deep within. Nexxus Humectress Ultimate Moisture Conditioner locks in nourishment & restores the protective barrier vital for improved alignment & natural fluidity.