OPTIMUM is an acid-based stain remover designed for difficult stains, yellowing, and mineral residues. Suitable for both white and colored fabrics when used correctly, it helps restore fabric brightness, improve washing results, and maintain the overall appearance of textiles. Recommended Dosage: 2–6 ml per 1 kg of dry laundry Apply according to the recommended dosage as part of the laundry process. Do not mix with chlorine-based products.Product Detail