This growth factor serum is clinically proven to visibly lift and firm the appearance of your skin by 60%.* Containing PCA Skin’s patent-pending Micro Growth Factor Technology (MGF), the formula is able to penetrate deeper than conventional growth factors,** where it supports collagen production and reduces the appearance of sagging, loss of volume, lack of firmness, and wrinkles. Studies have shown the serum: Is clinically proven to address sagging, visibly lifting and firming the appearance of the skin by 60%*  Helps support collagen production to restore facial volume and fullness, resulting in 58% visible improvement in plumping* Is clinically proven to smooth visible lines and coarse wrinkles by 40%* Clinical results starting in 1 week* *24-week clinical study, data on file at PCASKIN. N=47 **Defined as conventional growth factors with average of 155 amino acids (17 KD molecular weight) Inside the Micro Growth Factor Technology Palmitoyl sh-tripeptide-3 amide – this key fragment f