D And C Red No. 33 (DC145), scientifically known as Acid Red 33, is a vibrant red azo dye widely utilized as a colorant in a variety of cosmetic applications, including mouthwashes, dentifrices, cosmetics, and hair dyes. This ingredient presents as a dark reddish-brown powder, sourced from either petroleum or coal tar, making it a versatile option for achieving vivid coloration in products. Notably, D And C Red No. 33 is FDA-approved for use in both pharmaceuticals and cosmetics, ensuring its safety and effectiveness for consumers. Its rich hue not only enhances the appeal of formulations but also contributes to a joyful and engaging user experience.