PHOSPHATE-FREE | STREAK-FREE. This refresher uses an acrylic polymer technology that refreshes the gloss appearance of polyurethane finished hardwood floors. Sand and soil particles brought in from foot traffic can scratch and dull a surface finish and shine. Quickly brighten floors so they look new again with our unique formula! This environmentally friendly cleaning product uses an acrylic polymer technology that refreshes the gloss appearance of polyurethane finished hardwood floors. Quickly brighten your floors and make them look new again with our unique formula. Safe for all hardwood and laminate surfaces. Not sold in CA