CurlKit Customer Appreciation Coupon: First Box $9.99!! Posted by Hello Subscription on December 7, 2017. Subscription Box Coupons & Deals / CurlKit Coupons . The links in this post may be affiliate links. Read full disclosure Save for Later Notification CurlKit is having a Customer Appreciation sale! Get your first box for only 9.99 with code fall999 ! Visit CurlKit to get this offer.