Wet the sponge under running water until it becomes full saturated and then squeeze it gently a few times until it expands fully. Then, turn the faucet off and squeeze out all the water gently instead of wringing it in order to prevent tearing. Finally, use a towel to soak up any excess water.it's best to use the sponge when damp (not dripping wet) for foundation application as it provides a more even and smooth finish. Using a sponge when dry can cause it to soak up even more product and apply more blotchy.