Biologique Recherche finishing serums are used for the finishing touches and have very special formulations. They are sophisticated and glamorous and their precious formulas provide instant and lasting effects. They can be applied both under and over creams to give the skin a natural glow and radiance. These precious fluids contain botanical extracts with a variety of virtues, vitamins, antioxidants, hyaluronic acid as well as potent moisturizing and oxygenating DNA extracts. The finishing serums also stabilize the products applied during the Treatment Stage. They make an excellent base for make-up and are perfect for use on both a daily basis and for special events. Finishing serums prolong and protect the effects of the Biologique Recherche skin care products.