Living in the details matter Our retractable smudge proof, long-wearing Micro Defining Brow Pencil is used to define and detail your brow. The ultra-thin lead is creamy and soft for easy application to create short hair like strokes to fill your brow. The spoolie is great for softening and blending harsh lines. This is a great mechanical pencil for those who have thin brows looking to make them fuller without looking over done. Micro detailing mechanical brow pencil; Dual-ended with spoolie brush; Professional-quality formulations; Cruelty-Free, Leaping Bunny Approved; Vegan formulation, Ophthalmologist Tested, Dermatologist Tested, Hypoallergenic;.