La Roche-Posay Effaclar Purifying Mask is clinically proven to unclog pores, control shine and cleanse impurities without dry out your skin. This is perfectly suitable for use by both teenagers and adults.  Benefits of La Roche-Posay Effaclar Purifying Mask:  Clinically proven to unclog pores Suitable for sensitive skin Leaves skin feeling clean & fresh La Roche-Posay Effaclar Purifying Mask absorbs sebum and impurities and prevents the formation of future blackheads. It also unclogs pores, controls shine and cleanses impurities that are caused by pollution, without causing your skin to dry out. La Roche-Posay Effaclar Purifying Mask has a clay base which works by absorbing sebum and impurities and with regular use you can reveal clearer skin in as little as four weeks. Skin is left feeling clean and fresh and this effective mask can also be used by those with sensitive skin.  How to use: Apply a thin layer of the mask to your face and leave it to dry for 5 minutes. Then wipe off gen