Replacing the Thalgo Aboslute Rehydrating Serum. The first universal radiance serum by THALGO that targets the loss of luminosity at its source. This incredibly fresh, melt-in gel helps reactivate the skin's natural detoxification process to deliver pure radiance and the original luminosity of the complexion. The skin is radiant with an exceptional luminosity. Results have proved that after 28 days of use, the Hydra-Marine Serum eliminates up to 24% of oxidised proteins which are responsible for dulling the complexion.