Birchbox + Birchbox Man: 25% Off ALL Exclusive Kits! Last updated by Hello Subscription on September 20, 2018. Subscription Box Coupons & Deals Make the first comment! Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification New Birchbox Offer: use coupon code KIT25 to save 24% off Birchbox exclusive kits & Birchbox Man exclusive kits. Ends 3/1. Don’t forget to Add a Mystery Sample Pack before you check out!