Black is always in. Perfect for both a sophisticated English Rose and a leather-wearing lady boss, Union Jack Black is a true black nail hue that compliments every occasion. Featuring our Patent Shine 10X good-for-nail formula, this brilliant butter LONDON nail lacquer is proven to help promote brighter, stronger, and healthier-looking nails. The patented Shock Resistance Polymer Technology delivers a gel-like finish with undeniable shine, while the Radiant Curing help harden and dry polish with the ease of natural light. Achieve full-coverage colour in one simple swipe with the butter LONDON unique brush applicator—a dense, curved applicator that hugs nails for flawless colour with up to 10 days of wear!

Benefit: Protect, smooth and strengthen nails with every chip-resistant coat that is fade-resistant

Feel Good Beauty:

Always Cruelty-Free
10 Free: butter LONDON does not add Formaldehyde, Formaldehyde Resin, DBP, Toluene, Camphor, Ethyl Tosylamide, Xylene, Parabens, Gluten or TPHP to any of its nail product formulas