Red 33 Aceptable Agente colorante/Pigmento No known benefits Red 33 at a glance Pigment used to add colour to makeup, food products, and skin care Ruled safe in its current use Red 33 description Red 33 is a pigment used to add colour to makeup, as well as skin care and food products. It is soluble in water. The United States Food and Drug Administration has ruled Red 33 safe in its current use. Related ingredients: D&C Colors