Is there a way to get rid of skin pigmentation?

These days, when I look in the mirror, I see marks one by one that weren't there before.

especially skin pigmentation I think this really handsome season has come.

Is it because of UV rays or acne scars? skin pigmentation There are too many of these 

Once it appears, it doesn't go away and I'm worried about it.

There are so many methods, from whitening ampoules to lasers and exfoliation, I don't know where to start.

if skin pigmentation Are there any products or treatments that have really helped with improvement?