CurlKit Customer Appreciation Coupon: First Box $9.99!! Posted by Hello Subscription on September 14, 2017. Subscription Box Coupons & Deals / CurlKit Coupons Hello Subscription may earn compensation via links in this post. Read the 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.