clarins nutri-lumiere jour - nourishing revitalizing day emulsion 50 ml a lightweight non greasy oil-infused emulsion that revitalises nourishes and restores radiance to nutrient-depleted skin. as we age our skin nutrients decline due to our micro-nutrient network not functioning as efficiently and the skin barrier function weakens causing skin to become dry. clarins pro-ageing skin nutrition innovation clarins laboratories has developed two active ingredients within nutri lumiere - organic horse chestnut flower extract and horse chestnut escin the active molecule in the fruit. this invigorating duo maximises the penetration of nutrients in the skin ensuring skin is nourished and luminous by improving its micro-nutrient network to deliver key nutrients more efficiently.