La Roche-Posay Effaclar Mat Seboregulating Moisturiser is a anti-shine and anti-dilated pores hydrating care.It integrates the production of sebum at the source to matify and tighen the pores. The seboregulating effectiveness and sebulyse is clinically superior to Zinc, a reference active.Skin is immediately mattified and moisturised. Day after day, skin texture is refined and sebum production is normalised.