Serums and toners are usually described as water-like but this one is an exception. It’s not water-like because IT IS EXACTLY THAT—WATER. It’s weightless, colorless and fragrance-free. It even flows, drops, and sinks in skin like it. In terms of quantity, the bottle is enough to last 1 month. I finished it right at the Day 30 mark! In terms of its effects, I don’t see a drastic difference in pore size after 1 month of use. However, it did improve the texture of my skin thus making the illusion of finer pores. It is reliable for making skin smoother and it does control oil & sebum to a certain extent so I still consider it as a decent choice especially for those venturing into serums for the first time.