Excessive application of nail polish & permanent polish solutions can cause severe damage to your nail beds and cuticles, leaving them dry, brittle and weak. As they say, prevention is always better than cure, so starting to treat your nails and taking good care of them starts from you. If you're a frequent salon visitor, and are obsessed with clean & pretty nails then you also have to maintain their strength and density, in order to avoid further damage, as well as nails getting yellowish.
I do try to take short breaks between my nail polish changes and treatments, just to let my nails breath. But when I'm continuously applying polishes and doing other gel nail treatments, I stick with two of my favorite nail care tips: