Characteristics of Botox for frown lines caused by a frowning habit

I have a bad habit of squinting unconsciously when looking at a smartphone or small text, so I ended up with two very distinct vertical lines between my eyebrows.
Even when I'm just standing still with a blank expression, I look like I'm angry, which sometimes leads to misunderstandings. Also, my impression looks so sharp that it causes a lot of stress in my interpersonal relationships.
Even though I have been diligently applying expensive functional anti-wrinkle cosmetics, the deep muscle wrinkles that have already formed do not smooth out, so I plan to simply get Botox at a dermatology clinic.
The fact that it fully relaxes muscles with just a few injections in a very short time, less than five minutes, is what I like most about the features of Botox.
However, since it works by temporarily paralyzing the muscles, I am slightly worried that my facial expression might become too unnatural or my eyebrows might feel heavy.
I heard that the director's precise targeting and dosage control are very important, so the characteristic of truly skilled Botox must be that it smooths out naturally, just like my own facial expression, without any side effects.
Will it take a few days after the injection for you to see the magical change in the mirror, where deep wrinkles are smoothed out and your facial expression becomes unrecognizably soft?
Please share with me the excellent clinic selection know-how from our members who completely smoothed out their wrinkles and perfectly regained a gentle and relaxed impression at Maypure~