100% Water based and Biodegradeable. Contains NO flourocarbons/VOCs. Great for multiple sports including Running, Cycling, Skiing, Soccer and anything at the gym. Helps keep the performance and comfort but eliminate that not so pleasant smell. Recommended for cleaning synthetic base layer and next to skin garments. Nikwax products are PFAS-free, water based, non-persistent, and contain no optical brighteners or added scent; machine wash safe. Recommended for synthetic base layers, socks and next-to-skin garments such as Under Armour and Dri-FIT. Accelerates drying and improves wicking and breathability of active wear or workout clothing. Easy to use wash-in cleaner that cleans effectively, eliminates odors, and improves cooling efficiency. Specialty cleaner designed to deodorize and enhance the wicking and drying performance of baselayers.