To be precise, a beauty egg is an egg-shaped or teardrop-shaped sponge that is commonly used for makeup. Originally, the first beauty egg was pink. Subsequent innovations, however, were no longer limited to a single color.How to wash cosmetic eggs? Egg wash is absolutely easy. Presumably, an antibacterial soap with mild, warm water is ok. After soap is applied to the sponge, rinse the dirt with a continuous flow of water