This is my all-time favorite facial moisturizer. It is so light and smooth. Not sure why it's called buttermilk, since there's no butter or milk in it, but, whatever. I was bummed at the small bottle size until I started using it and realized I only need a very small amount each time. So, it's lasts a long time for such a small bottle. FYI: I have very fair, sensitive skin (and very young looking 53 years old).