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      community Trichosol, polyethylene glycol, and DMSO

      in Minoxidil  3 upvotes 2 years ago
      The user experiences irritation from alcohols in minoxidil and is considering alternatives like trichosol mixed with polyethylene glycol or DMSO. They seek advice on the best nonirritating option.

      community RU58841 carrier - PG/Ethanol vs KB solution?

      in Treatment  2 upvotes 4 years ago
      The conversation discusses the differences between PG/Ethanol and KB solutions for RU58841 application, focusing on potential scalp irritation. KB solution is suggested for those allergic to PG, though both contain ethanol which can dry the scalp.

      community Topical finasteride carrier/vehicle

      in Finasteride  135 upvotes 1 year ago
      The user is considering making a homemade topical finasteride solution using an ethanol-based carrier. They are inquiring if a solution containing partially denatured ethyl alcohol and benzalkonium chloride is suitable.

      community Are we underestimating systemic absorption with homemade/generic Topical Fin? (HPCH vs. PG/Ethanol formulations)

      in Research/Science  5 upvotes 4 months ago
      Topical finasteride may have higher systemic absorption and lower efficacy when using a Propylene Glycol/Ethanol formulation compared to the hydroxypropyl chitosan (HPCH) formulation. The safety profile of topical finasteride relies heavily on the HPCH formulation, and using standard solutions might lead to different pharmacokinetics.