A holistic approach to skin health Prin Skincare’s Lymphatic Therapy Flow Mask Home Facial is a tightening treatment mask designed to work with your circulatory system – an often overlooked, but vital component of skin health. This organ system is responsible for removing waste via our lymphatics and nourishing our cells and tissues via our blood supply. The Flow Mask Home Facials kit contains everything you need for happy healthy skin at home between professional facials. Apply once per week. Each Kit will give you up to 4-5 mask applications. Please note this product contains egg based ingredients.