This balancing serum helps to regulate sebum secretion. It is made with Iris and Zinc extracts for customized treatment of skin imperfections. It is recommended for skin imperfections and/or combination and seborrheic skin. Direction for use : apply 1 ml of Complexe Iribiol on clean skin over the whole face, neck, and cleavage in a light ascending massage until the product has been completely absorbed. Focus on the T-zone where sebaceous glands are generally more concentrated.