Natural Hair This uniquely-shaped detail brush is perfect to shape and define brows in small, hair-like strokes or can be used to tightline the eyes with ease. The short, natural hair is stiff enough to precisely define, yet gentle on the delicate eye area. OMNIA® GOLD is the next-generation of professional makeup brushes. Each brush uses only the finest quality natural hair. This hair is meticulously selected and incredibly soft while still maintaining the density needed to pick up and deposit product with accuracy and precision. Every brush is handcrafted to perfection, creating the finest brush possible, exceeding all expectations.