Which Varnish for Decoupage?

The best varnish to use is gloss, as no matter how many coats you use it doesn't go cloudy. Cutting out is a large part of découpage so a really sharp pair of small scissors is needed.

What do you use to seal decoupage?

The short answer is, use Varnish to seal your Decoupage Project to make it waterproof. Varnish is a Sealer for wood but it can be applied to a lot of different materials. Varnish drys transparent and glossy.

Is Mod Podge the same as varnish?

Mod Podge can be safely termed as one of the most versatile and ensuring product of the craft industry. It is a glue which is known to have magical powers. It can be used as a glue/sealant/varnish all wrapped into one.