Reveal a brighter, smoother complexion with the Vitamin C Ester 15% from Perricone MD. Scientifically formulated with a maximum concentrate of Vitamin C Ester, the treatment boosts collagen production and elasticity to tighten, firm and contour skin. Effectively reduces the appearance of fine lines, wrinkles and imperfections, whilst restoring sun-damaged skin for a supple, radiant complexion. Experience youthful-looking, rejuvenated skin. E.N.Consumer Study Results:80% agreed that skin felt firmer.80% agreed that skin felt tighter and more toned.83% agreed that skin looked smoother.80% agreed that the product helped fix the roughness of their skin.