Cos Bar is a beauty retailer offering a wide selection of skincare, haircare, and makeup products directly to consumers through its website, cosbar.com. The brand operates within the beauty and personal care industry, competing with established players such as Sephora, Ulta Beauty, and Nordstrom, as well as emerging direct-to-consumer brands like Glossier and Follain. Coupons and promotional offers typically appear on the Cos Bar website, often including percentage discounts or free shipping promotions for new customers.