3/26/2024 Hope this helps! Let me know if I forgot anything, or if you found out something different that I should address. This is for acrylic painting, gesso application brushes, varnish (water-based varnish) brushes and (water-based stains) staining brushes. Lay brushes flat to dry. (3/28/2024 Thank you reader for helping make this better.) Hog hair bristle brushes - gently pat dry to remove all excess moisture first. Avoid leaving these in a soak. May have to clean sever