Most of the time, when dogs are alone, they behave much calmer and less worried, don't make sudden movements and don't try to jump into your arms. Therefore, it is better to do a haircut and all the procedures with the dog groomer alone, as it is safer for the dog. And in general, after just a few minutes, the dog understands that he is not in danger and that all activities are carried out neatly, with love and care, and therefore begins to behave calmly. The frequent presence of the owner can distract the dog from the procedure and increase the working time and reduce the quality of the haircut.
But sometimes there are four-legged dogs that feel much calmer and more comfortable with the owner, in such cases, of course, you can stay nearby and watch the cutting process and all the work, but without entering the working area. If you want to watch the haircut, you can always stay at the pet grooming salon.