Micro Set is very versitile decal setting lotion that does several things to the decal to improve application.
Micro Set should be applied to the model where you will be sliding off the decal.
It prepares the surface with special wetting agents that cut the oils in new paint and convert the adhesive on the back.
It also slightly softens the decal film to make it more flexible.
1oz Bottle
Other Micro products are available.