New in box. Full Size: 31 ml 1.04 US Fl oz. For sun-kissed, hydrated skin all year round. Enhance the look of your complexion with the Rodial Hyaluronic Tan Serum, for a boost of hydration and sun-kissed glowing radiance. This serum combines an innovative blend of ingredients to create a natural, flawless looking buildable tan. Plant derived Erythulose works in synergy with DHA to achieve an even-looking finish whilst delivering a boost of lasting hydration with Hyaluronic Acid. HOW TO USE Apply 2-10 drops to your face and neck or mix with your daily serum or moisturiser for a customisable glow. Lasts for around 3-7 days and repeat applications every 2 to 3 days to maintain the intensity of the tan.