Nikwax Waterproofing Wax for Leather is a high performance waterproofer for smooth leather mitts and gloves. Restores water-repellency and reduces water absorption of smooth leather. Works immediately after treating and will not soften leather. Maintains breathability. Ideal for smooth leather handwear. PFAS-free, water based, non-persistent, non-flammable, and contains no VOCs, optical brighteners, or added scent.