A concentrated, easy to use chlorine-free Toilet Cleaner that removes soiling & lime scale from porcelain & enamel surfaces. Made in the UK Sustainable, naturally derived raw materials No petrochemicals, phosphates, preservatives, enzymes or synthetic perfumes Hypoallergenic, suitable for sensitive skin BUAV & Vegan Society Approved Safe for septic tanks & cess pits Readily biodegradable Recycled & recyclable packaging Powerful de-scaler Even more economical. For best results squirt the Toilet Cleaner under the rim of the bowl last thing at night. In the morning use a toilet brush to remove the dissolved scale & flush.