First sign up for their e-mail newsletter. Add the $4.99 sheet mask to your cart and check out. After you enter your shipping information, apply coupon code: BIONEWS to make it free with free shipping!
Free BioRepublic Sheet Mask Sample
Free BioRepublic Sheet Mask Sample
Make sure you use the code in both the shipping and gift code areas to make it free.
The code only works IF you sign up for an email subscription. It’s definitely worth it and you can unsubscribe immediately after checkout.
The codes is not all uppercase. I did “Bionews” and it worked.