A serum that can change your skin's future. Now there's a custom serum smart enough to understand your skin's past and change its appearance in the future.Use it consistently twice a day and see remarkable improvements, including a more uniform tone, refined texture, and visibly diminished lines.Patented Clinique Smart technology delivers custom repair for the damage unique to your skin. Other ingredients include a blend of peptides, patented enzymes, natural collagen-boosting ingredients and brightening botanicals.