Sensitive By Nature» is a salon exclusive product system that is new and improved with its ńherbal-oil infusionī that enhances the integrity of the hair by imparting reconditioning, strengthening and natural oils into the hair follicle. The products are infused with a specially formulated Herbal blend that will strengthen the hair, along with the Moroccan Argan and Olive Oils that will impart moisture and shine to the hair.leaving the hair perfectly balanced and conditioned.