Product Description Varathane Premium Wood Conditioner is the perfect solution for creating a rich, even stain on interior porous and soft woods. Prevent splotches and allows for a deeper color with less coats. Use prior to staining; works will any oil-based wood stains. From the Manufacturer Varathane 1/2 Pint Wood Conditioner. This is a premium wood conditioner used prior to staining on soft and porous woods such as pine, maple, alder, fir and birch. Prevents splotching, and uneven color. Penetrates deep for greater stain control. Works under any oil based stain.