If you want to take your makeup to the next level, then an eyeshadow such as this is a good choice. This eyeshadow has an easy-to-use applicator brush and has a liquid texture.
From Debenhams
Dazzleshadow Liquid - Rayon Rays - One Size
House of Fraser
Mac Dazzleshadow Liquid - Brown
This product is also available at 3 unverified stores.