Eric Bomblatuswrote a review of Nikwax Tech Wash and TX Direct Wash-In Duo-Pack - 300mL on November 8, 2017
Familiarity: I've used it several times
Use this detergent to clean and revitalize your waterproof outerwear. I use it on my raincoats and it does a solid job. You will also increase the life of your outerwear.