GLOSSYBOX Holiday Sale: Get 25% Off On 3-Month Subscription! Posted by Hello Subscription on December 26, 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 25% off on a 3-month subscription when you use the coupon code 25OFF3. Ends 12/29. December 2019 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!