Experience intelligent skin care. The Clinique Smart Custom Serum was developed after five years of research and is smart enough to interpret your skin\'s needs. It understands your skin\'s past and works to change its future appearance, for the better. Enhancing the look of your complexion, the advanced formula with patented technology targets uneven skin tone, lines and wrinkles to unveil a firmer, more radiant face. - K.N. Suitable for all ages and ethnicities. Patented technology.