This Skin Republic Spots + Blemish Face Mask is enriched with Tea Tree and Salicylic Acid to help prevent breakouts and Witch Hazel - great for tightening pores and stabilising the barrier function of the skin. These ingredients remove pore-clogging oil, without over drying the skin, helping to maintain a healthy and clear complexion.This sheet mask is most effective when used twice a week for the first month and then as required.