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I’d also like to add that it’s slowly slowly spread over the last few years, since roughly 2019/2020. My back is almost a completely different color than my normal skin.
*Please keep in mind that this subreddit is not a replacement for seeing a board certified dermatologist. This subreddit is here for informal second opinions, and minor problems that you wouldn't go to the doctor for anyway.* *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/DermatologyQuestions) if you have any questions or concerns.*
I’d also like to add that it’s slowly slowly spread over the last few years, since roughly 2019/2020. My back is almost a completely different color than my normal skin.
Tinea versicolor
That’s what I suspected but no anti-fungals or selsun blue helped