No 1 revitalizing serum-in-mist 50 ml Nº 1 revitalizing serum-in-mist 50 ml is a revitalizing and hydrating serum-in-mist that helps to strengthen the skin’s natural protective barrier. Enriched with active ingredients, it targets the main signs of aging while restoring skin's natural hydration levels. The lightweight, non-greasy formula is quickly absorbed, leaving skin feeling refreshed, soft and glowing.