The Nikwax Footwear Cleaning Gel removes dirt and helps to release stains Improve the appearance of dirty footwear and prolong its life and performance The gel prepares the footwear for proofing and is suitable for all types of shoes including smooth leather suede nubuck and fabric and even those with breathable linings The Footwear Cleaning Gel is a water-based solution that contains no fluorocarbons and is biodegradable It is also non-flammable and non-hazardous leaving it environmentally friendly The solution will not affect cosmetic appearance nor soften leather