Yes, you can use mod podge over Sharpie markers. ... They both work well on Sharpie markers. A mod podge is a sealer or a glue that is often used in finishing decoupage art. However, in this lesson, we are going to use mod podge over Sharpie markers to seal them on plastic.

Does Mod Podge smear ink?

A: No, inkjet prints will smudge if Mod Podge is brushed over it. I have used Mod Podge on photocopies at a copy center like Staples since the copiers there are not ink jet.

How do I keep my Sharpie from smearing?

To prevent this, coat your writing with a layer of clear nail polish or a coat of matte polyurethane. Once it's completely dry, the clear-coat will shine, helping to hide the sanded surface not covered by writing. Choose the polyurethane for a matte, dull finish.