Contains small, round shape patches in different sizes. You need to put them right onto the acnes. It protects it from dirt, dust and other environmental factors, while the Centella asiatica extract helps to soothe the inflammed skin. You can leave it on for 10-12 hours (day or night, anytime), you can even apply make up over it. You need to apply the patches after cleansing, before using any other product.