GLOSSYBOX Holiday Sale: Get 20% Off On 12-Month Subscription! Posted by Hello Subscription on December 30, 2019. Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / Glossybox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification GLOSSYBOX has a new promo code for the Holidays! Get 20% off on a 12-month subscription when you use the coupon code 20SAVE12. Ends 1/5. January 2020 will be your first month if you subscribe now! See the full spoilers for the December box here! See all of the Holiday Subscription Box Deals!