Sample Subscription Sites: What's Your Fave?

Hey guys! How do you do today? Good, so or so I would hope:) Anyways, I got an email asking me if I liked birchbox, or myglam better, and I was like ... Wha? S I did a little research, and found out they are beauty product sample subscription provider sites! I have never tried either though, And I would love to know what your guys opinion are on them before I subscribe. Please, comment, email, or message me, becaus today,myou get to write the reviews! Yay! Have a beautiful weekend ~Jayley