Snag your free butter LONDON Shine-Free Topcoat when you spend $25 at butterLONDON.com. Just enter COSMO12 as the promo code at check out. RULES: Promotion valid on butterLONDON.com ONLY. One promotion code per order will be applied. Cannot be combined with any other offers. Valid on future orders only. Offer valid in US only. Offer ends September 30th, 2012.