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    GlossaryHair Dye (Hair Color)

    chemical substance used to change hair color

    Hair dye, also known as hair color or hair coloring, is a chemical substance used to change the color of hair. It can be applied for cosmetic reasons, such as covering gray hair, or for fashion purposes to achieve a desired look. Hair dyes can be temporary, semi-permanent, or permanent, with the latter involving a chemical reaction that alters the hair's natural pigment.

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      learn Tretinoin

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

      learn GHK-Cu

      a copper peptide showing promise in both regrowth and reversing gray hair

      learn Redensyl

      commercial product with a blend of mostly natural ingredients for hair regrowth

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      cosmetic product that temporarily makes hair appear thicker

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      community RT1640 - Gray Hair Reversal Recipe

      in Research/Science  3 upvotes 2 years ago
      The conversation discusses a hair loss treatment formulation containing cyclosporin, minoxidil, and tacrolimus, and mentions ongoing research on hair color reversal. The treatment showed high efficacy in restoring hair color in trials with 40 to 50 people.

      community 19F, hair loss. How to cope? [x-post /r/Haircarescience]

       12 upvotes 9 years ago
      A 19-year-old female is experiencing significant hair loss, with symptoms including alternating hair colors and thinning body hair. She seeks advice on coping and potential treatments, with suggestions to consult a dermatologist and check thyroid and hormone levels.

      community 40 female with long hair, advice on what to try please

      in Female  6 upvotes 1 year ago
      A 40-year-old woman with naturally thin and fine hair is seeking advice on over-the-counter treatments for hair loss and is open to prescription options for her upcoming doctor's appointment. She has tried biotin, Nioxin, various haircuts, and colors, and has had blood tests for deficiencies.