In 1997, Dr. Perricone launched his first professional-grade treatment called Face Firming Activator combining his most notable patented sciences: Alpha Lipoic Acid and DMAE. Fifteen years later, he combines the legacy of the past with the science of the future to create Formula 15, an advanced, professional-grade formulation of the original Face Firming Activator. With the highest available concentrations of Alpha Lipoic Acid and DMAE, Formula 15 tackles the length, width and depth of a wrinkle.In a four-week independent consumer-use study:- 87% of users saw an improvement in the smoothness of skin texture.- 84% of users saw an improvement in the appearance of wrinkles.- 81% agreed their skin looked more supple. Brand: N.V. Perricone MD. Style Name: Perricone MD 'Formula 15' Face Firming Activator. Style Number: 581923.