Caudalie Vinoperfect Eclat Anti-taches Shine Serum Effective against blemishes, of course. The No. 1 anti-blemish product in France *, effective on all blemish types, for all skin types. At the core of the Vinoperfect serum composition is Viniferine, a patented Caudalie ingredient derived from grape juice that offers excellent anti-spot action, 62 times * more effective than vitamin C. *In vitro test of the inhibitory effect of Viniferin on tyrosinase. The composition of Vinoperfect Radiance Serum Complexion Correcting serum was improved in April 2021. The reviews published before this date relate to the previous composition.