When will the picotoning effects appear?

Hello, my mother has been receiving picotoning treatment regularly, and I am curious about how long it will take for the effects of picotoning to appear.

I've had several treatments for freckles and blemishes, and people around me say the pico toning effects accumulate over time. However, the changes haven't been noticeable yet, so I'd like to know when I'll start seeing noticeable improvements.

I'm also curious about how many sessions it usually takes to feel the full effects of pico toning, and whether there are significant individual differences. (I've heard that it takes 10 or more sessions to be effective, but I'm not sure yet, seeing my mom's face...)