My buttocks is 10x darker than other parts of my body!

Hi. I’m 24 (female) asian. I have really dark buttocks and I’m very insecure about it. It’s so much darker than the rest of my body. It will start off like a pimple and it will leave a mark. Dark brown spots. I know hyperpigmentation is normal and confidence is key but I really want to do something about it. I’ve never worn bikinis in my life because of this issue. Based on what I’ve read on some posts and comments, Amlactin and Ambi Fade Cream works really well. Please share your tips! I’m desperate lol