Black light diagnosis of folliculitis
    7/26/2026

    At a glance
    In this research or scientific observation post, the primary subjects mentioned are
    💧 coal tar shampoo (topical)
    the tone is 😐 neutral.

    Other terms

    A user observed orange fluorescence on their nose and hair under a black light, indicating Cutibacterium acnes, which may contribute to hair loss alongside androgenic alopecia. A suggestion was made to use coal tar shampoo to address the issue.
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      community DHT Harms Scalp Microbiome: DHT Itch is REAL

       413 upvotes 1 year ago
      Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.

      community DHT Itch and Oily Scalp Explained (and how to fix it)

       90 upvotes 3 months ago
      Malassezia overgrowth can worsen oily scalp and inflammation, contributing to hair loss. Treatments include antifungal shampoos, C6/C8 MCT oil, low-dose isotretinoin, finasteride, and dutasteride.

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