What product can I use to seal and protect my chalk paint?

Chalk paint is a popular product for up-cycling interior furniture. It offers a little protection for surfaces; however it is more of an aesthetic finish. Wax is the most common surface sealer for chalk paints, but you can also use a varnish, taking care not to overwork the varnish, as this can pull the paint. Varnishing over chalk paint will typically 'warm' the colour. E.g. shades of white become creamier.