Saltwash Paint Additive Powder - Saltwash Faux Effects kit In just three quick steps. use Saltwash paint texture Saltwash powder to create a unique weathered worn, layered sun and salt air soaked look. Saltwash powder is made with real sea salt so you will see it dries quickly and has great adhesion. It can be mixed in any brand, color or finish of paint and should always used as a base coat. Once mixed to the desired consistency, it can be applied to almost any surface that takes paint. Saltwash was originally intended for furniture but can also give a unique look to walls, floors, metal, glass, fabric and even plastic.