- Specialized whitener for white curtains and blinds - Concentrated formula that removes persistent stains from dust, grease, and nicotine - Neutralizes bad odors and restores the white brightness to curtains - Boosts the action of any detergent without the need for additional products - Effective even at 20 °C, ideal for low-temperature washes - Each 40 g sachet treats a full load of curtains - Does not damage fabrics, free of chlorine and harsh bleaching agents - Easy to use: place the sachet in the washing machine along with the detergent - Keeps curtains white and fresh wash after wash - Suitable for all types of detergents and washing programs above 20 °C