You don't need a special cleaner for every household job. For example, a good all-purpose cleaner and scouring powder should do the job in most bathrooms. It's best to choose a few products and use them for several purposes. A number of less-hazardous commercial products are available. To help decide what to buy, look at the warning words on the label.
Many people find they work well.
Vinegar and water for windows, mirrors, and linoleum floors. Liquid castile soap for general cleaning. To control mildew, you need to decrease the humidity and increase the air circulation and amount of light. Damp walls may require structural work. It's better to solve the moisture problem than resort to long-term use of disinfectants.