Containing 16% LG-Retinex—a proprietary GAG-enhanced encapsulation of retinol andretinaldehyde—Serum 16 is the closest thing to prescription-strength age defiance without a prescription. In a six-week clinical study, this breakthrough superserum by CosMedix visibly reduced the appearance of sun damage, age spots and deep lines, including crow’s feet.

• 88% reported noticeably firmer skin in two weeks
• 75% reported less apparent wrinkles in four weeks
• Over 90% reported brighter-looking skin in six weeks

• Usage
• Serum 16: Apply a pea-sized amount to clean skin as tolerated every 1-3 nights, working up to nightly use. May be followed with moisturizer if additional hydration is needed. Protect your results by wearing sunscreen daily.
  
  Be Sun Smart. CosMedix always recommends daily use of sunscreen to protect skin against sunburn and premature aging. Common Sense Cautions: For external use only. Avoid contact with eyes. Keep out of reach of children.