A real shock treatment to boost hydration, Sérum Yall~02contains ultra-high doses of hyaluronic acid and antioxidant plant extracts. This intense hydrating treatment provides the amount of moisture skin needs to function properly and feel comfortable. The effect is instant, as the fine lines caused by dehydration are plumped up.  
  1. Apply 4 to 5 drops of finishing serum to the entire face, neck and décolleté, in the morning and/or at night
  2. This product is applied as the final touch of the Biologique Recherche skincare program
Do not apply to children’s skin. For external use only.