structure of damaged skin barrier on white background.

damaged skin barrier tight dehydrated weak sebum face corneocyte moisture structure layer aging stratum corneum epidermis cell unhealthy lost stimulation bacteria lipids irritants ceramide cholesterol fatty acids allergen aesthetic esthetic dermatology physiological decrease intercellular restoration vector beauty body dehydration care virus ultraviolet rays reduce medical biology design irritated flaky red oily isolated white background arrangement cells external easier lead water leaving concept background