Hi! I hope this post isn't too late. I wouldn't recommend this as your only lubrication for use with a flesh light, but I highly recommend it for its use as a prolonging agent. I would spray this on, get your seat ready, pop in your DVD while letting the spray dry for 5ish minutes. Then you your normal lube with it and it will help keep you from cumming as soon. My fiance and I use this almost every time we fool around and the natural liquid from me never washes it away, so I can imagine using lube wouldn't either. He is fairly sensitive and this spray helps a lot with prolonging!