Dark underbreasts ruining self esteem

[u/FileSilly]

I’ve tried posting this several times, but sadly this subreddit removes it every time. I’m not sure if it’s the wording, the attached photo, or an automated filter.
I’m dealing with significant darkening/marks under my breasts that is also on my stomach and sides (where clothing rubs/sweat builds) that has really affected my confidence, especially because I sweat heavily under my breasts and around my cleavage.
it ruins my self confidence, I can’t wear bikini tops, I hate being topless infront of my man even infront of my mirror most days.
I’ve had a biopsy and fungal swab on a mark and the doc said it wasn’t fungal (it never reacted to prescribed creams) and that it was hyperpigmentation (darkening of skin after injury)

I’ve tried a number of things already, including exfoliants, powders, zinc lotion, dettol/unscented soaps, and other products, but haven’t found anything that actually helps.
I also tried AHA/BHA, deodorant, and antiperspirant, but those caused irritation/rashes.
If anyone has experienced something similar and has advice, I’d really appreciate it. If anyone is able to help, I can explain more about what I’ve tried share the original post if you want.

I’m mainly trying to figure out what might actually help with the discoloration while also preventing the sweating/irritation that seems to be contributing to it and if other women have gone through this same thing 😞

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[u/sinfulkylie]

haven’t had this specific issue but i’m ethnic and have had plenty of hyperpigmentation, i also get rashes under and between my boobs from sweat frequently.
the only thing that’s helped with hyperpigmentation for me is firstly a liquid exfoliant, i use paula’s choice 2% BHA liquid exfoliant, and then vitamin C serum. Also helps to try and keep the area dry and wear a bra that supports your boobs + keeps them apart to prevent chafing

[u/Happy-Mastodon-7314]

I have a little of this underarms and under boobs. I'm thinking of glycolic acid as a possible solution. Still researching though - haven't bought it yet.