Safely cleans technical synthetic outerwear without damaging DWR (waterproofing treatment). Household detergents leave behind water attracting residues. , Easy to use wash-in technical cleaner that cleans effectively, restores water repellency and revives breathability by removing water attracting residues from the surface. , Nikwax products are PFAS-free, water based, non-persistent, and contain no optical brighteners or added scent; machine wash safe , Recommended for technical clothing, synthetic sleeping bags, rain and ski jackets, GORE-TEX, Patagonia, North face, Columbia, Outdoor Research and Arc'teryx , Enhances performance of Nikwax waterproofing treatments; for use before TX.Direct, Cotton Proof, Polar Proof, and Softshell Proof