Regulate sebum production right at the source with the la roche posay effaclar mat moisturiser an anti shine formula for oily skin types skin that is persistently shiny needs extra attention this daily use moisturiser provides long lasting hydration with added sebulyse a sebo regulating active ingredient that is clinically proven to mattify skin and tighten pores the oil free advanced formula acts as a blotter to mop up excess oil and keep skin clear and soft day by day the skins textu