4D Visible Lifting SerumSpecifically created and clinically proven to target the fragile skin of the neck and dcollet, and to visibly reduce the signs of premature aging of this delicate area. Clinical Results Up to 99%: Decrease in total WRINKLE LENGTH* 93% noticed: Provides a FIRMING EFFECT** * Clinical study on 30 women (avg. age 56. 5 years old), all skin types. The efficacy and tolerance were tested on day 0, 14, 28 and 56. Morning and evening application of serum and