Wind. Air conditioning. Heating. They are all killers for skin. French beauty brand La Roche-Posay specialises in sensitive skin and has worked with dermatologists all over the world for over 30 years. All products use a unique thermal spring water as their base which is soothing and filled with antioxidants. Effaclar Duo is an anti-blemish cream that unclogs pores and refines skin. The delicate cream is ideal as a base for foundation also. You really do see marks vanish with only a few uses. This product is best for oily skin and targets shine as well as marks and redness.