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    Did you mean ER Antagonist?
    GlossaryEstrogen Receptor Antagonist (ER Antagonist)

    blocks estrogen from activating its cellular receptors

    An Estrogen Receptor Antagonist, also known as an Estrogen Blocker or ER Antagonist, is a substance that binds to estrogen receptors on cells and prevents estrogen from exerting its effects. This can be useful in treating conditions like hormone-sensitive cancers, such as certain types of breast cancer, by inhibiting the growth-promoting effects of estrogen on these cancer cells.

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      learn Pyrilutamide

      highly targeted anti-androgen that might have minimal systemic effects

      learn Spironolactone

      powerful topical and oral anti-androgen used mostly by women

      learn Clascoterone

      a novel topical treatment that inhibits DHT on androgen receptors

      learn Melatonin

      hormone commonly taken for sleep aid has some topical benefits for hair

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      community Group Buy for MR antagonist finerenone

      in Product  11 upvotes 1 year ago
      User discusses group buy for finerenone, a third-gen mineralocorticoid antagonist for hair loss treatment. Finerenone inhibits TGFb, NOX, and ROS, and improves renal and cardiac function; topical dose should be no more than 10mg per day.

      community Pyrilutamide ,the molecule’s true nature

      in Research  302 upvotes 3 months ago
      Pyrilutamide is a selective AR antagonist with a high binding affinity, making it effective in competing with DHT for androgen receptors. The 1% concentration is more effective than the 0.5%, but the latter may suffice for mild hair loss; the drug is considered a good option for those avoiding 5AR blockers due to side effects.

      community New Approach to Ketoconazole or just waste of time?

      in Ketoconazole  21 upvotes 5 months ago
      The post discusses using 2% ketoconazole shampoo as a competitive androgen receptor antagonist for hair loss, applied for 1.5 hours daily. The user questions its effectiveness and potential benefits compared to finasteride and minoxidil.

      community A Technical Question About Pyrilutamide

      in Research/Science  5 upvotes 1 year ago
      Pyrilutamide is believed to be more effective than RU58841 and 1 mg finasteride in treating hair loss, with no systemic hormonal effects and the potential to block more than 31% of scalp DHT. It may also antagonize scalp testosterone due to its action as an androgen receptor antagonist.