Hidden Risks Behind the Red: Sudan Dyes and Their Global Cosmetic Bans

Recently, the third-party testing organization DaddyLab reported the detection of Sudan IV in certain cosmetic products, suggesting that the substance may have been intentionally introduced through ingredients. However, in China, Sudan IV (CAS No. 85-83-6) is explicitly listed under the Inventory of Prohibited Ingredients for Cosmetics as a banned substance. This discovery has sparked discussion within the industry and raised public concern.