Containing 16% LG-Retinex—a proprietary GAG-enhanced encapsulation of retinol and retinaldehyde—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