Biologique Recherche Serum Extraits TissulairesExtraits Tissulaires is an instant hydrating serum with an anti dehydration property. Its core formula continuously captures and diffuses water to reestablish the skins water balance. The joint action of its active ingredients restarts internal hydration mechanisms, stops the loss of transepidermal water and strengthens the hydrolipidic barrier in order to restore natural hydration mechanisms. The skins quality is visibly improved. The skin is