Martiderm Cleansing Mask Pure Mask purifies and regulates sebum, cleans, hydrates, firms and reduces the size of pores. Thanks to the hamamelis flower, which has a triple effect on the skin: soothing, astringent and sebum-regulating, and to the rosemary extract, it activates skin circulation, favors the healing of acne and is antiseptic. Finally, salicylic acid eliminates imperfections, exfoliates and regulates sebum. For oily and acne-prone skin.