500 ML

The amount of water you lose through your skin every day, just going about your life. This is known as transepidermal water loss and can be exacerbated by age, environment and what you eat and drink. Contrary to the advice of every celebrity and model ever, chugging from your S’well bottle won’t restore the glow of dehydrated skin. (All that water goes into your cells, not your face.) French skincare brand Vichy has revamped its Aqualia Thermal Rehydrating Serum ($42.95) to help restore and lock in that moisture. 


The percentage of natural (non-synthetically derived) ingredients the serum contains, including the humectant (water-absorbing) mannose, an extract from maple or beech trees. 


The percentage of natural thermal water. This is 50 percent more than in the original serum, which means 50 percent more of the plumping benefits of Vichy’s signature mineral-rich water sourced from the Auvergne region of France. 


The approximate number of selfies you will take when you realize your skin is suddenly glowier than your highlighter palette. 

This article originally appeared in the Summer 2018 issue of ELLE Canada.