As a collective noun, "red hair dye Walmart" describes a product sold at one of the largest retail chains in the world. For instance, the "Garnier Nutrisse Nourishing Color Creme - Medium Auburn Brown 55" is a popular shade of red hair dye available at Walmart.
Red hair dye, in general, holds cultural significance and has various practical benefits. It has been used for centuries to express individuality, enhance appearance, and cover gray hairs. A notable milestone in its history was the development of synthetic hair dyes in the late 19th century, which expanded the range of available colors and improved safety.