Boost the effectiveness of your face cream with the Institut Esthederm Cellular Concentrate Serum. This powerful serum reprograms cells & relaunches their life-cycle by targeting the four main skin concerns: dehydration, excess sebum production, changes to the protein structure & hyper-activity of the defence system. Skin will be replenished & strengthened with lasting results as cells regain their natural abilities, & your complexion regains its radiance, firmness & strength. Use alone or alongside other Esthederm products to boost their effectiveness & prolong their effects. Apply morning and/or evening on clean, dry skin.