An%20overnight%20firming%20and%20purifying%20treatment%20that%20acts%20like%20a%20facial%20while%20you%20sleep.%20Ideal%20for%20anyone%20looking%20for%20a%20mask%20that%20offers%20overnight%20results.%20Skin%20Caviar%20Luxe%20Sleep%20Mask%20is%20infused%20with%20caviar%20extract%20to%20nourish%20and%20boost%20skin's%20long-term%20firmness.%20The%20luxuriously%20textured%20formula%20brushes%20on%20and%20melts%20into%20the%20skin%20where%20it%20works%20its%20magic%20while%20you%20sleep.%20It%20contains%20a%20natural%20exfoliant%20that%20smoothes%2C%20softens%20and%20improves%20your%20skin%20in%20as%20little%20as%20one%20application.