Totally unlike all other Preservation products, it will not stain or discolor leather. It is perfectly safe for equestrian use! Simply spray or wipe onto the surface and massage into the leather with your hands. Allow for it be absorbed into the fibers. Rejuvinator Oil Repeated use will keep leather in tip top shape. Use topreserve all your leather cars, saddles, tack, furniture, motorcycle leather and even apparel. Prestine Clean is the perfect cleaner to use after each application of Rejuvenator to remove the displaced impurities on the surface of the leather.