Jack Black Hair Care Travel Set, 2 x 3 oz. Cleanse, condition, and go with this TSA approved hair care duo. This duo travels wherever you do, keeping your hair perfectly cleansed and conditioned. A $20 Value! True Volume Thickening Shampoo: To use, massage into wet hair and scalp. Lather. Rinse. Follow with Nourishing Hair & Scalp Conditioner. Nourishing Hair & Scalp Conditioner: To use, massage small amount into wet hair and scalp following shampoo. Leave on remainder of shower. Rinse. Sulfa.