Birchbox has been helping people discover new health, beauty and grooming tools since 2010. When you sign up for Birchbox, you get a monthly package filled with samples of new products. With so much variety, it's easy to find new favorites, and our Birchbox discount codes make the experience even more affordable. We found 15 active Birchbox coupon codes and discounts for March 2017. When you use a Birchbox promo code you can get big markdowns on your Birchbox orders!