Limescale. It mainly forms on faucets. To get rid of them, you can use vinegar, applying it to the surface as if it were a normal faucet cleaner.

Soap stains . To remove this type of stain, you need baking soda and hydrogen peroxide. Mix the two ingredients in equal parts, then apply to the surface and let it sit for an hour before rinsing.

Shower head . The buildup of minerals present in the water can cause the formation of hard stains. To get rid of them, place the shower head in a bag filled with water, vinegar and baking soda for about 2 hours, then rinse.