You could try having a read about malassezia. See this blog article+
/r/asianbeauty is much better for skincare advice. skincareaddiction seems to be a lot of teenagers+
I would use Cetaphil Gentle Cleanser but remember acne has little to do with cleansing+
I don’t know the answer to the second question, but I believe niacinamide helps with inflammation
Seeing a derm might be a good idea, but for starters you also might consider using +++
Hate to admit this, but my skin has TURNED AROUND since switching to Cetaphil Gentle from Glossier +
Sticking to low pH cleansers and toners, avoiding oils that are high in oleic acid, using acids +
I know people are conflicted about whether diet works but seriously ro
Chin acne likely to be hormonal and barrier must be fixed to try exfoliatnts.