L39oreal paris sublime bronze overnight elixir self tan is a new night elixir fake tan that not only gives you an overnight boost of hydration it gently works on building your perfect warm natural tan from the 1st morning the 1st fast absorbing formula means you can apply before bed because the skin looses 4x more water at night than during the day the new night tan technology gives your skin the overnight hydration it needs the formula combines hyaluronic acid known for its hyd