A serum that instructs your skin to stay bright and radiant. Impossible, you say? Not for the scientists at Cle de Peau Beaute, who spent 15 years on this. They pored over 30,000 genes in the human body and found a gene that produces proteins which are responsible for our complexion's brightness. This gene, the TCDD-inducible poly [ADP-ribose] polymerase (TIPARP).
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