Mi Home Kill & Shine Powerful Toilet Cleaner of Kill & Shine Toilet Cleaner. Here are some of the key benefits you've highlighted:

Colour change formula: This unique feature helps you see the product working as it tackles limescale.

Removes tough limescale: The powerful formula effectively breaks down and removes stubborn limescale buildup.

Provides a sparkling shine: Your toilet will be left looking clean and bright.

Overall, this sounds like a great product for anyone looking for a toilet cleaner that is both effective and visually appealing. The colour change formula adds a fun and engaging element to the cleaning process, while the powerful cleaning action ensures a sparkling clean toilet.