Not bad at all once it has dried and hardened. If you spray PB blaster on anything with waxoyl on it, it'll turn into a horrid black liquid that takes forever to clean off your hands.
Otherwise it's not bad, the benefits far outweigh the negative. This truck will go in for Waxoyl on Tuesday of next week, I will post plenty of photos before and after.
Here's one from today, every time I look at this truck I smile. The Disco 1 is becoming so iconic to me, it really was a huge move for Land Rover.