Eylure Dybrow is the ideal way to get dark glossy brows for up to 6 weeks. Get catwalk brows for longer! The trend now is all about darker, thicker looking brows and Eylure Dybrow is the ideal way to get this look for up to 6 weeks. A proven formula will darken lighter brows to ensure an even colour and beautifully defined brows. Easy to mix and apply. Do not use on eyelashes.