F53 Air Contour/Blush Brush. Benefits: Function: Sweep on blush or bronzer. Unique Feature: Duo fiber, softly angled brush head. Recommended Use: Apply blush or bronzer to the cheekbones for a natural wash of color. Coverage: Sheer to Medium; Buildable. Additional Info:. Provides a beautiful, healthy-looking glow with blush or bronzer. Super soft, synthetic bristles mimic animal hair. Perfect for those who want a sheer, airbrushed complexion. Great for lightweight summer looks. Universal curve of the brush head allows for multiple function. Features: HIGHEST-QUALITY FIBERS:. Exclusive synthetic antimicrobial fibers. Engineered to better hold, apply + blend products. FERRULES WITH UNMATCHED STRENGTH:. Durable + corrosion-resistant SigmaAlloy. Precious metal plating for shine + strength. Exclusive, patented interlocking technology. Double-threaded engineering. SLEEK, DURABLE HANDLES:. Solid polymer-based handles are waterproof. Outlasts all product formulas + frequent brush care. :