Complex factors contribute to dry, flaky skin, and several of these change with age. Environmental factors such as ambient dryness, irritants, or bathing habits may be involved, as well as individual characteristics related to medical conditions, genetics, or ageing. iS CLINICAL products for dry skin combat these symptoms as well as their underlying causes, resulting in skin that is softer, more supple and better able to withstand stress – all without clogging pores or causing further irritation.