RENHUD from Dr. Greve is a series of refreshing facial products for normal to combination skin, specially developed to prevent impure skin. Our serum with hyaluronic acid and spring water gives the skin an intense moisture boost. Hyaluronic acid binds the moisture in the skin, so that it feels softer and smoother. Apply 2-3 drops of serum to cleansed skin and let soak in. Finish with Dr. Greve RENHUD moisturizing face gel for best results. Vegan and dermatologically tested.