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    GlossaryEpidermis

    outermost skin layer providing protection against environmental factors

    The epidermis is the outermost layer of the skin, serving as a protective barrier against environmental factors such as pathogens, UV radiation, and physical injury. It is composed of multiple layers of cells, primarily keratinocytes, which undergo a continuous process of renewal and shedding. This layer also contains melanocytes, which produce melanin, the pigment responsible for skin color.

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      learn Microneedling

      technique to create small wounds in skin to activate collagen production and hair growth

      learn Peppermint

      herb and oil thought to stimulate skin and hair

      learn Stemoxydine

      chemical from L'Oreal that encourages hair to enter growth phase

      learn Tretinoin

      the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil

      learn Vitamin D

      vitamin you should probably be taking for general health might also help your hair a little

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      community Just found out I am Vitamin D deficient

      in Treatment  58 upvotes 3 years ago
      A user found out they are vitamin D deficient and was prescribed high-dose vitamin D supplements, asking if others had similar experiences and if it improved their hair. Some shared improved mood and testosterone levels after treatment, while another combined vitamin D supplements with finasteride due to family history of baldness.

      community My microneedling journey (no min, fin, etc)

      in Microneedling  210 upvotes 5 months ago
      The user experienced positive hair growth results using microneedling with rosemary and mint oil, without Minoxidil, Finasteride, or RU58841. They switched from a dermaroller to a microneedling pen and targeted different scalp areas weekly.

      community Topical Dutasteride. Does it work?

      in Finasteride/Dutasteride  13 upvotes 10 months ago
      Topical dutasteride may be effective for hair loss by staying in the scalp and minimizing bloodstream absorption, potentially improving hair results and reducing side effects. The user seeks advice on its effectiveness.

      community Are Derma Rollers Actually Harmful in the Long Run?

      in Microneedling  40 upvotes 1 month ago
      Derma rollers may cause scarring alopecia, leading some to prefer dermastamps or dermapens for microneedling. Combining minoxidil with microneedling is effective, but proper technique and healing time are essential to prevent damage.