The Caudalie Vinosource S.O.S. Thirst Quenching Serum was designed to serve as a deeply moisturizing and nourishing serum. This product contains several key ingredients that help to boost hydration in the skin, as well as reinforce the skin’s natural protective barrier. Like many other products in the Caudalie Vinosource range, this product contains grape seed water and grape polyphenols, which help to moisturize and soothe the skin while simultaneously offering some antioxidant protection. In addition to these two ingredients, this formula also contains squalane and hyaluronic acid to nourish and plump the skin as well. Based on the formula behind this serum, this product could actually be used in two different ways depending on your skin type. If you have drier skin, this would make an excellent moisturizing serum to help support your favorite moisturizer. If you have oilier skin however, you may find that this is all you need for the perfect about of hydration and moisture.