Wetting your sponge is especially important when applying foundation (liquid/cream) because it prevents the foundation from going on too thick; therefore, taking away the appearance of a cakey, heavily made up face.
When I say “wet” I don’t mean soak! There’s a difference. The sponge should be damp.
This is what it does:
1. It keeps the sponge from absorbing too much foundation = less product used, which saves you money.
2. It makes even the heaviest full coverage foundations and concealers go on sheer and light.