The guy who made it told me to use it on my handmade leather belt about twice a year. I make this about 3 times a year and sometimes use it for my purse he made me and my nice leather boots. Aside from the fact that my wallet and belt are obviously used, they look brand new after 2 years. I wipe them down very well with a damp cloth, let them dry and put them in the oven at the lowest temperature until warm, usually it only takes 5 minutes or so, and then I rub this substance in. just a lotβ¦