I have dark spots on my face from exercising. Is there anything I can do about it?

Four years ago, I rode a bike wearing only a helmet and without sunscreen, and the area around my eyes got a dark sunburn.

The area between my eyelids and eyelashes is dark ㅠㅠ The rest of the area is white

This is so obvious and I don't know what to do. I tried buying whitening cream and applying it, but it doesn't go away.

As each year passes, I feel like I'm getting a little bit older, but I don't know if that's because it's gone or because I feel that way.

I tried squeezing lemon juice and applying it, and other things I could do, but in the end

Is there no other way than going to the hospital and getting laser treatment?

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I'm curious to hear the opinions of those who know better.

The essences and money-making products sold online that contain green tangerines have no effect at all.

I don't know what to do for now...