5 kinds of mineral-rich probiotics & prebiotics are included in the special “ Biome Blend” for dry & sensitive skin which reacts to small changes in the environment. It works to strengthen & clear the skin. Also the plant-derived soothing duo provides smooth moisture & radiance without irritation while the “nourishing bubbles” which are visible when the bottle is shaken helps to improve the skin’s water-oil balance providing comforting care for the skin’s natural state.