ANTI-WRINKLE ELIXIR SERUM 24K GOLD - 60ml. This hydrating serum from Eclat Skin London can help boost skin renewal and aims to reduce the appearance of fine lines. Capacity: 60ml. Directions for use: Apply one pump of the serum on the cleansed face neckline and neck in the evening. Apply a drop of day serum to the forehead cheeks and chin in the morning routine and massage it into the skin.