Biologique Recherche Serum Collagene Marin is ideal for a variety of skin types, including sensitive skin. Dermatologically-tested and free of parabens and irritating artificial fragrances, this powerful and highly concentrated toner serum tightens the pores and tones the skin for a smoother, more youthful look. With active botanical ingredients like water marine collagen extract, Biologique Recherche Serum Collagene Marin binds water to the skin, effectively restoring and plumpening the skin’s epidermis. Not only will your complexion appear rejuvenated and fresh, but this serum will also form a barrier against impurities to protect from future damage and loss of moisture.