Sitewide 30% off: Offer valid online only at butterlondon.com through January 16, 2020 11:59pm ET – or while supplies last. To redeem, enter code BUTTER30 (text) or NEW30 (email) at checkout. Excludes sale items and nail vault. 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. Excludes sale items and nail vault. 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.