There are two areas at home, where hygiene of surfaces is very important: kitchen and bathroom. In general, using a disinfectant product wherever possible is a good choice.
In case that you choose a biocidal product for cleaning, be aware of using it safely and always read the label and product information before use. Furthermore, please check the material compatibility of your surface beforehand.
Recommended products are:
For a deep cleaning of the toilet inside of the toilet bowl use a bleach containing cleaner (e.g. Bref 10x Effect toilet gel Ultra white) or a strong toilet cleaner (e.g. Bref 10x Effect toilet gel with colour change technology). Make sure to use the products in accordance with the usage guidance provided on the label.
Also, the toilet brush should be cleaned regularly. In case of a person with health issues at home, it is recommended to clean the toilet lid after each visit as well.