Water Repellent Coatings Without PFAS: Which Technologies Actually Work in 2026 By Chester Takau · July 2026 Short answer: There is no single replacement for fluorinated DWR — there are five competing approaches, each with a different trade-off. Wax and silicone coatings are the most durable and easiest to reapply at home. Gore-Tex's new PFAS-free ePE membrane keeps the waterproof rating of the old ePTFE version but its C0 face fabric wets out faster under body oil and dirt. Plasma-deposited siloxane and fluorine-free hard-surface coatings are newer and mostly outside apparel. None of them fully close the "oleophobicity gap" — repelling oil and grease as well as the fluorinated chemistry did — which is the real unsolved problem behind every "my new jacket soaks through faster" complaint. PFAS-based durable water repellent (DWR) coatings have been the default way to make fabric shed water for decades, because the carbon-fluorine bond is nearly imposs...