Features:-Technical cleaner for hydrophobic and regular down gear-Recommended for all hydrophobic down-This product cleans effectively, revitalizes breathability and restores water repellency-Safety cleans technical duvet outerwear-Enhances the performance of Nikwax waterproofing treatments-Prolongs the effective life-span of technical outerwear-Water based and biodegradable. Contains No flourocarbons (PFCs) and NO VOCs-Follow the care instructions on the back of the bottle-Recommanded by companies like Nanö, Deux par Deux, The North Face and Columbia