Make It Moist
Just as you need to exfoliate the surface of a scar to create a cleaner makeup base, you need to apply a moisturizer to create one most amenable to your products.
Moisturizer will further soften the scar as well as add the necessary moisture to create a smooth, receptive surface. This is always a crucial step in a cosmetics routine, but it's even more so when covering a scar. You may be applying some heavy-duty creams, and any dryness will mar the finish, make blending more difficult and cause the covered scar to stand out.
For many scars, though, heavy-duty coverage may not be necessary. Next secret: the right moisturizer ...