Introducing the revolutionary reformulation of the best-selling cult classic Cold Plasma+ Face--Perricone MD Cold Plasma+ Advanced Serum Concentrate. This serum is formulated with vitamin C ester, copper tripeptide, and a plant-derived source of omega fatty acids to help address the appearance of skin. In a study when image analysis was used: -100% of subjects showed improvement in the appearance of fine lines and wrinkles after four weeks -97% of subjects showed improvement in the appearance of pore size after four weeks -80% of subjects showed improvement in the appearance of skin dullness size after four weeks In a test when cutometer testing was used, -70% of subjects showed an improvement in skin firmness, tightness, and tone after four weeks In a four-week consumer survey: -90% agreed skin appeared healthier-looking and more supple -88% agreed this treatment firmed the appearance of skin, making fine lines and wrinkles less apparent -87% agreed skin appeared rejuvenated and more radiant -83% agreed their skin has been transformed from dull to vibrant and felt more confident about their appearance How do I use it: Apply liberally morning and evening on cleansed skin. Follow with any Perricone MD moisturizer (not included). From Perricone MD. Includes: