I cured my chronic folliculitis after >15 years by taking vitamin D
I've had folliculitis on my scalp for as long as I can remember, I had acne as a teenager so thought it was just part of that, except I continued to have it into my 30s. I've visited this community a couple times but honestly at this point just accepted I would always have it.
I've always had these little gooey, green, surface level pustules with sticky pus on my hairline, crown, nape and sides of head, that get worse after sweating. They're mostly hidden under my hair but hurt when I brush my hair and I always felt embarrassed going for haircut with a head full of spots. I also picked up the gross habit of absent-mindedly picking the resulting scabs off my head.
I'm female so shaving my head was never an option for me personally, I've tried shampooing with chlorhexidine, mixing benzoyl peroxide into my shampoo, spraying my scalp with hypochlorous spray, soaking my head in a basin full of Dettol water, I've used baby bottle sanitising fluid on my all my hairbrushes and hair tools, scalp exfoliants, medicated shampoos, swapped my pillow case every single day , washed my towels at 90 degrees and never gone to bed with wet hair.
I've been to the doctor and done some short rounds of antibiotics but it has always returned and I could never afford the private dermatologist visit so I just accepted it.
Recently I've been diagnosed with iron deficiency anemia and feel like shit, and after reading online it's really likely to have a vitamin D deficiency alongside it. I'm Irish and something like 80% of the population is deficient in vitamin D, so I said fuck it I'll take some vitamin D as well.. after just 2 months of a daily(edit: 1000 IU ) vitamin D tablet that cost around €3 for 60 tablets, my folliculitis has randomly absolutely disappeared.
I've changed nothing else.
I don't even have ONE pustule on my head.
I can scratch my scalp with my nails without getting sticky pus under them.
When I figured it out, I searched on here and found a couple of other posts saying the same thing, I just wanted to post as it's worth a try if you've tried everything else.