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    GlossaryHair Shaft (hair surface)

    visible part of hair extending above the skin's surface

    The hair shaft is the visible part of the hair that extends above the skin's surface. It is composed of three layers: the cuticle (outer layer), the cortex (middle layer), and the medulla (inner layer). The hair shaft is primarily made of keratin, a protein that provides strength and resilience. Understanding the structure of the hair shaft is crucial for professionals in dermatology and cosmetology, as it influences hair health, texture, and response to treatments.

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      community Jordan Peterson got a sick hair transplant!

      in Transplants  1080 upvotes 1 year ago
      The conversation is about Jordan Peterson allegedly getting a hair transplant, with various users mocking his way of speaking and debating the ethics of him potentially hiding the procedure. Some users discuss the natural look of the transplant and the implications of getting one at an older age.

      community Quercetin got rid of my scalp soreness

      in Chat  4 upvotes 5 months ago
      Quercetin reduced scalp soreness and may help with histamine-related hair loss. The soreness felt like inflamed follicles beneath the scalp surface.

      community Hair Loss “Cure” for Inflammation: Topical Roflumilast

      in Research/Science  32 upvotes 1 week ago
      Topical roflumilast is effective for reducing inflammation in various scalp conditions like seborrheic dermatitis, psoriasis, and eczema, but not proven to stop scarring alopecia. Alternatives like apremilast and Vtama are also discussed for their anti-inflammatory benefits.