"Private studio" reads as a marketing word. It is really a scheduling decision, and the consequences are practical.
No handoff
In a larger salon the economics require overlap — your color processes while the stylist starts someone else, and an assistant shampoos you. That is a reasonable system and plenty of excellent salons run it. It also means the person who mixed your formula is not necessarily the person who rinses it, and the timing is set by the schedule rather than by your hair.
Here, the person who looks at your hair is the person who paints it, watches it process, rinses it, tones it, cuts it, and dries it. When lightener needs another four minutes, it gets four minutes.
Appointments sized to the hair
Most booking systems have fixed slot lengths. Hair does not. A correction that needs five hours gets five hours, because there is nobody queued behind you at the two-hour mark. That is the main reason corrections and extension installs are scheduled from a consult rather than booked blind.
Consistency
One person holds the whole history — every formula, every timing, how your hair actually behaved rather than how it should have. On a correction spread across two sessions six weeks apart, that continuity is not a nicety, it is the mechanism.
It is quiet
One guest at a time, and adults only. No blow dryers competing, no waiting area. Some people find that restful and some find it intense; it is worth knowing which you are before you book a four-hour appointment.
Why the cancellation policy is stricter
This is the trade. A six-chair salon absorbs a late cancellation — someone gets moved up, the day rearranges. One chair has no slack. A four-hour slot cancelled the night before does not get filled.
It isn't about the money — it's one chair, and a late cancellation is a slot nobody else could take.
Twenty-four hours' notice to change or cancel. Inside that window is 50%, and a no-show is 100%. It is not punitive. It is arithmetic.