Eucerin dermopurifyer active concentrate concentrate with lactic acid for oily and blemish prone skin eucerin dermopurifyer active concentrate addresses the four key skin care factors of oily and blemish prone skin used as part of a cleanse clear and care routine eucerin dermopurifyer active concentrate is a very light fast absorbing emulsion the formula with concentrated lactic acid delivers a comedolytic effect and improves skin complexion pores are effectively unclogged and purifie