A common problem that happens on the walls is efflorescence. If efflorescence appears, it will damage the wall. Surely, the surface will look not nice and the wall look not interesting. The layer of paint is damaged as well. You can look at your wall.
What causes: Efflorescence appears cause occurs on the surface of plaster, or brick where alkaline salts are carried to the surface. Efflorescence appears when the salts and high humidity on the walls are met. You can check your wall, and if you find it, we have a solution for repairing it.
How to fix: First, you can sand the paint surface to make the paint open the pores and then water and salts can come out. Then, after that is clear, you can repaint your wall with paint that has high-quality, so that didn’t again. Choosing a paint that is no-bacterial, non-fungal, and non-toxic is better. You can choose Noroo Paint for it.