HOUSEHOLD TOILETRIES HARPIC Weight:500ML. The HARPIC BATHROOM CLEANER 10X LEMON uses powerful citric acid to break down tough residue and build up on surfaces. This means your bathroom will always smell fresh, no matter what. Plus, the citrus scent is invigorating and relaxing, making it a perfect choice for those who want an energizing break from routine. This HARPIC BATHROOM CLEANER lemon is perfect for those who want to keep their bathroom clean and smelling great. Not only does it remove dirt, grime, and residue from surfaces, but it also has a lemon scent that refreshes the senses.