How long does the melasma skin booster treatment take?

At some point, I noticed the patchy blemishes around my cheekbones getting noticeably darker. I simply couldn't leave my dull complexion as it was, so I'm thinking of enduring the wait and getting a melasma skin booster. As a working mom who has to rush to the dermatologist right after work, I am most concerned about the total duration of the procedure. From what I've learned on mom cafes and communities, the time spent thoroughly injecting or applying the skin booster to the face is very short, around 10 minutes. However, if I include the waiting time with the numbing cream applied and the soothing care afterward, roughly how long would the total procedure take? Also, I heard that receiving a toning laser and the melasma skin booster on the same day creates a much better synergy for brightening the skin tone. I am wondering if the procedure time is manageable enough to finish comfortably in the evening after work, even if I get both done at once. To those of you who have seen great results in lightening melanin pigmentation, I know you are busy, but I would appreciate a detailed answer!