Guerlain Midnight Secret Late Night Recovery Treatment has the following features: Guerlain Research has developed a complex whose active ingredients allow your skin to recover more quickly during the night to fight against signs of tiredness on the face. Boosts the microcirculation and cell oxygenation and offers a decongesting effect, while limiting the harmful effects of free radicals.* With a few drops of this "sleep elixir" and a few hours' rest, traces of fatigue seem to miraculously disappear and your complexion looks radiant. 85% noticed that this treatment helps restore the complexion's freshness in the morning after the excesses of the night before, which helps get rid of the dullness, creating a fresher, brighter and more even complexion.** *In vitro test. **In use test, 33 people.