eyebrow pencil 
noun
A cosmetic pencil for defining or accentuating the eyebrows.Make sure you have the basic tools: tweezers, cuticle scissors, clear mascara, a white eye pencil and an eyebrow pencil or powder....
- A top tip was using an eyebrow pencil to help define the eyes and to use a brown eye pencil rather than a blue one.
- If you make a mistake when plucking your eyebrows, don't panic, there are things on the market now for patching up but you can just use your mascara and an eyebrow pencil.