How can I lighten my skin from a sunburn?

So around a week ago I went to a camp where my schoolmates and I acquired a horrible, horrible sunburn. I'm asian, with skin that was a very bright yellow before this. Can I ask how I can get my old skin tone back? I cried for days at first because I couldn't recognise myself on the mirror, but my skin has gotten a little bit better now. The black-ish burn on my nose has peeled off, and some parts of my skin has started to too. Compared to the first two days since going home, my skintone has became more even.

For now I have been applying skin cream obsessively. SebaMed at the morning and night, and Hazeline in the evening or whenever I feel my skin is getting dry. I have also bought some facial scrubs for when my skin has completely recovered, plus some Pachyrhizus erosus facial masks to apply twice a week. I also have cucumber facial masks.

Do you think this will work? Can I regain my skin tone with these by September or do I need something else? I went to the beach around last July and acquired a sunburn albeit not as bad; and before I went to the camp I could still see the tan lines (well, admittedly I didn't tend to it as obsessively as I do now).