Beauty Bonus Gift: Offer valid online only at butterlondon.com through December 31, 2019 11:59pm ET – or while supplies last. To redeem, enter code BONUS50 at checkout. Cart subtotal must equal or exceed $5 to redeem. Only valid while supplies last. No substitutions may be made after an order is placed. One promo code per order. Cannot be combined with other offers. butter LONDON reserves the right to remove items from an order if unavailable. butter LONDON reserves the right to modify or cancel this promotion at any time without notice.