How to paint porcelain?
What kind of paint do use to paint a bathroom sink, toilet, tub all porcelain? Is there any special technique?
Suggested Project Book
https://www.diynetwork.com/how-to/skills-and-know-how/painting/tips-from-the-pros-on-painting-bathtubs-and-tile
You might find this article helpful Susanne.
https://homeguides.sfgate.com/repaint-porcelain-sinks-21295.html
Why would you paint a toilet? Consider loving what you have and paint the walls.