BECCA Cosmetics Ultimate Coverage Longwear Concealer in Mahogany. BECCA Cosmetics Ultimate Coverage Longwear Concealer in Mahogany. BECCA Ultimate Coverage Longwear Concealer instantly camouflages dark circles, blemishes, and discoloration for a seamless, full coverage finish you can't even feel. This long-wearing formula harnesses flexible light and pigment technology to blur the appearance of pores, fine lines, and uneven skin texture for a flawless yet natural finish.. Mahogany - warm brown with red/neutral undertones. Infused with an antioxidant blend of Vitamin E, Squalene, and Manuka Honey to nourish skin and maintain its natural moisture balance. Weightless, water-resistant formula. 0.21 oz. Apply directly on skin and blend with fingertips or a brush to cover under eye circles, blemishes, and hyperpigmentation. Use 1-2 shades lighter to highlight and concealer the under eye area; use 1-2 shades darker as a cream contour to define the face. BECR-WU233. B PROCON015. BECCA Cosmetics empowers everyone to own their own light on their own terms, illuminating their true selves. By harnessing innovative uses of light, their award-winning formulas create illumination in all shapes and forms. Every product BECCA makes has the same goal: to help create the same glow on the outside as the one that emanates from the inside.