A Summary of Pre-Clinical and Clinical Evidence for Cannabinoid Hair Follicle Effects

    Gregory L. Smith
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    TLDR Certain cannabinoids may help increase hair growth and could be useful for treating hair loss.
    The document reviews evidence suggesting that cannabinoids, particularly CBD, THCV, and CBDV, may promote hair growth and could be beneficial in treating androgenetic alopecia (AGA). It highlights the role of the endocannabinoid system in hair follicle function and how these cannabinoids interact with receptors that influence hair growth. Clinical trials have shown promising results, with one trial reporting a 93.5% increase in hair count with CBD alone, and another showing a 164% increase with a hemp extract containing CBD, THCV, CBDV, and menthol over six months. The document also notes the safety of topical hemp extract applications and suggests that cannabinoids could work synergistically with current treatments like minoxidil and finasteride. However, the document does not specify the number of participants in these trials.
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      community About the CBD regrowth study : just a few remarks

      in Research/Science  165 upvotes 4 years ago
      CBD in an emu and lanolin oil preparation showed a 100% increase in hair growth, but the effectiveness may partly come from the oils. Users discussed proper CBD dosage, preparation methods, and skepticism about the study's quality.

      community Weed/THC effects on hair growth/hair loss, and vitality of organ-culture human follicle studies (research review)

      in Research/Science  4 upvotes 1 year ago
      Cannabis and THC may have mixed effects on hair, with some studies suggesting potential negative impacts on hair growth in isolated hair follicles, but these results are hard to apply to living humans. Treatments like minoxidil and finasteride are commonly used for hair loss, and the effects of cannabis might be neutral or vary based on individual factors.

      community 11mth daily 0.5mg oral finasteride

      in Finasteride/Dutasteride  835 upvotes 1 year ago
      The user experienced significant hair regrowth with 0.5mg oral finasteride daily, despite a minoxidil allergy, and reported no side effects. They also used a keto shampoo and were satisfied with the results.

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

      in Microneedling  210 upvotes 1 year 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 Marijuana and hair loss?

       6 upvotes 9 years ago
      The conversation discusses the potential impact of marijuana on hair loss, with some users suggesting it may worsen hair loss due to hormonal changes, while others believe it might alter perception rather than cause actual thinning. The original poster uses Propecia (finasteride) and Rogaine (minoxidil) for treatment and is considering quitting marijuana to see if it affects hair health.

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