Is it okay to get Botox to prevent frown lines?

Lately, I have become interested in preventing frown lines, so I am looking into Botox treatments.

Deep wrinkles haven't formed yet, but every time I frown

I was bothered by the vertical wrinkles forming between my eyebrows.

I looked it up and found that frown lines repeatedly appear when making facial expressions, and

They say that later on, wrinkles can remain even if you do nothing.

So, I am wondering if getting Botox in advance is helpful before wrinkles deepen.

However, if you get Botox between the eyebrows, your eyebrows may become unnatural or

I've heard that my eyelids might feel heavy, so I'm a little worried.

Is it okay to get the procedure for preventive purposes even if I don't have severe wrinkles yet?

I would also like to know when the effects of frown line Botox usually appear and how long the results last.

I heard that resistance can develop if you get injected too often, so I'm also curious about the appropriate interval for the treatment.

What to watch out for when considering Botox to prevent frown lines,

I would appreciate your advice on whether this is suitable for first-time patients :)