CurlKit Black Friday Sale: Save 40% on Everything! Last updated by Hello Subscription on November 25, 2017. Black Friday 2017 Subscription Box Deals / Black Friday Subscription Box Deals & Coupons / Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / CurlKit Coupons / Beauty Black Friday 2019 Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification CurlKit is having a Black Friday sale! Use coupon code BFS40 to save 40% on everything! Will work on subscriptions if you add something else to your cart, including the multi-month ones in the membership tab. Check out all of the Black Friday Subscription Box Deals!