A cult hit guerlain midnight secret is an overnight recovery treatment that transforms the look and feel of your skin as you sleep when your complexion is stressed and over tired this skin saving step will provide the look of a full nights rest in just a few hours dullness disappears hydration is boosted and skin becomes more supple and even toned erasing the effects of tiredness in record time midnight secret fights against signs of fatigue with hydronoctine a complex of active ingr