Clients comment on the lighting more than they comment on almost anything else. Not the results, not the price sheet. The lighting. A room that reads as clinical makes people brace before a provider has touched them. A room with warm light at two heights, a door that closes on hallway conversation, and somewhere sensible to put a handbag turns the same forty minutes into an appointment rather than a procedure.
That is a design problem before it is a hospitality problem, and it is a harder one than it looks. Laser and facial rooms want different things from the same square footage. Ventilation, plumbing, ceiling height and where the sharps and product live all get decided during framing, long before anyone chooses a paint colour. Where the door swings decides whether someone on a treatment bed is visible from the corridor, and that is not a thing you fix later with a curtain. Storage is the other quiet failure. Rooms that started out beautiful get cluttered because nobody built anywhere to put the machine that only comes out on Thursdays.
Two kinds of people end up caring about this. The first are providers planning a build-out or moving into a shell space, who arrive with a treatment menu and no idea how it maps onto walls. The second are the clients themselves, who come in for a facial in the middle of renovating a primary bathroom and start asking what makes a small room feel calm instead of cramped. The answer is much the same in both cases and it has very little to do with tile.
Las Vegas has a handful of builders who work in that register. Kingdom & Co describes its commercial work as transformations with a residential design feel, alongside whole-home renovations, casitas and additions. That description happens to be the brief for a treatment space, which has to be sterile in the few ways that matter and soft in every other way, and it is a useful phrase to have in your head while you are interviewing anyone about a build.
If you are renovating and want the three things we would take from a good treatment room, they are these. Dimmable light at two heights rather than one bright ceiling fixture. A surface you can wipe without thinking about it. A door heavy enough that the hallway stops existing. Everything after that is taste, and taste is the cheap part.