light, and sinks in fast I am enjoying this so far. I'm using it in the morning. I love how light it is and how fast it sinks into my skin. I was having issues with my am moisturizer being too heavy and pilling under my foundation. The only thing is that I am not sure if I am getting any of the active cartridge concentrate? It is hard to tell and I have seen some complaints about the pump and how it dispenses the product. I have heard that the concentrate is supposed to come out blue and I haven't really seen any. I have only been using a few days so we will see if the concentrate starts to be dispensed more noticeably.