Why is DEP content in consumer products like toilet water a growing regulatory concern for buyers?

Why is DEP content in consumer products like toilet water a growing regulatory concern for buyers?
Recent product testing of seven toilet water brands in China found DEP in two samples, with one reaching 2,118 ppm. DEP typically enters formulations via fragrance oils, where it serves as a solvent and fixative. Unlike DBP and DEHP, DEP is not currently restricted in Chinese cosmetics or household products, and no national limit exists. However, biomonitoring studies show DEP metabolites in urine, and research links long-term exposure to potential neurological and reproductive harm. For buyers sourcing DEP or DEP-containing finished goods, this regulatory gray zone creates both supply chain risk and reputational exposure. As consumer awareness grows and regulators tighten phthalate scrutiny, demand for DEP-free or low-DEP alternatives in personal care and household applications may accelerate, potentially reshaping formulation cost structures.