Synthetic Filament The smooth synthetic filaments on this concealer brush apply creams and liquids seamlessly to small areas of the face. Apply detailed foundation around the nose and eyes, conceal blemishes, or color correct with ease. OMNIA® ROSE GOLD is the next-generation of professional makeup brushes. Each brush uses 100% Omnilux™ filaments: a revolutionary new vegan synthetic hair produced using patented nanotechnology, where each hair filament is manipulated at the molecular level to be superior to natural hair. Omnilux™ filaments are super-soft in feel and engineered with superior tips to provide the ultimate application with every stroke. Every brush is handcrafted to perfection, creating the finest brush possible, exceeding all expectations.