What It Is For a quick drying mani without compromising on our high-shine, long lasting formula. In A Flash is available in selected bold shades with a wide brush for easy application. How To Use Apply two coats over your favourite basecoat and enjoy a quick dry manicure. Benefits 100% Cruelty Free & Vegan. Weight Net 0.34 fl. oz (10ml). In A Flash offers a quick dry finish in Barry M's classic long-lasting glossy formula. Available in bold shades exclusive to Superdrug.