Conceals blemishes , Brightens dark circles Meet Rimmel London’s Multi-tasker – the concealer that does it all. Conceal blemishes, brighten dark circles and cover up imperfections. The large doe foot wand makes application easy in just one swipe – perfect for contouring or using instead of foundation. The hydrating, full-coverage formula has got your back, lasting up to 24 hours making it your new makeup bag staple.