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    GlossaryHair Porosity

    hair's ability to absorb and retain moisture

    Hair porosity refers to the hair's ability to absorb and retain moisture. It is determined by the condition of the hair cuticle, which can be low, medium, or high porosity. Low porosity hair has tightly bound cuticles that repel moisture, medium porosity hair has a balanced ability to absorb and retain moisture, and high porosity hair has gaps and holes in the cuticle that allow moisture to enter and escape easily. Understanding hair porosity is crucial for selecting appropriate hair care products and treatments.

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      community Is there a consensus on a "best conditioner" to use?

      in Research/Science  12 upvotes 9 months ago
      The conversation is about finding the best conditioner for hair loss, with a mention that Ketoconazole shampoo is recommended for reversing hair loss. Users suggest that most "hair growth" conditioners are ineffective and discuss using anti-dandruff conditioners with piroctone olamine.

      community Fermented Rice Water ..... ???

      in Treatment  112 upvotes 1 year ago
      User discusses Fermented Rice Water as a hair loss treatment, with one person claiming it helped regrow their hair. Others share their experiences and opinions, with some skepticism and alternative explanations.

      community Bryan johnson mail about his routine

      in Chat  64 upvotes 2 months ago
      A user shared their successful hair loss and gray hair reversal routine, which includes Minoxidil, Cetirizine HCl, Latanoprost, Dutasteride, Melatonin, Caffeine, Tretinoin, Vitamin D3, and Vitamin E. They also use a red light cap, oral Minoxidil, and are developing new treatments.

      community Topical Dutasteride - Non-Hormonal, Side Effect Free 5ARI

      in Finasteride/Dutasteride  26 upvotes 3 months ago
      The conversation discusses the effectiveness and skepticism around topical dutasteride for hair loss, with mentions of combining it with other treatments like minoxidil and oral medications. Some users doubt its efficacy due to lack of independent studies and potential conflicts of interest.