You have unique needs. So does your hair. Customized to add moisture, definition, and shine to dry, dull hair, HairRx Professional Hydrating Shampoo combats dryness, itching, and irritation of the scalp. This luxurious, gentle, salon-quality formula cleanses hair effectively and comes in five delicate scents â Citrus, Coconut, Jasmine, Lavender, and Vanilla.