You have unique needs. So does your hair. Customized to add moisture, definition, and shine to dry, dull, or color-treated hair, HairRx Professional Hydrating Shampoo and Conditioner combat dryness, itching, and irritation of the scalp and leave hair hydrated, shiny, soft and revitalized â all in TSA-friendly 2-ounce travel bottles for easy packing. These luxurious, gentle, salon-quality formulas come in five delicate scents â Citrus, Coconut, Jasmine, Lavender, and Vanilla.