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.
The user is experiencing scalp itching from a PG ethanol base in their hair loss treatment, which includes 0.025% finasteride and 2.5% minoxidil, and is seeking alternatives without PG or ethanol. Suggestions include Zeuss non-PG foam and Ulo, which do not use PG or hydrocortisone.
The conversation discusses the use of ethanol and propylene glycol (PG) in topical solutions for hair loss treatments, specifically Minoxidil. The user dislikes the texture of PG and questions the ideal ratio and necessity of PG in these solutions.
A user is discussing making a DIY topical finasteride solution using ingredients like water, alcohol, propylene glycol, ethanol, and glycerin, and is concerned about the stability of the mixture. Other users suggest that the solution will work and discuss the importance of propylene glycol for drug dissolution and factors like temperature and light affecting finasteride stability.
The conversation is about the best vehicle for RU58841, comparing trichosol and Garnier/Vichy Stemoxydine, avoiding propylene glycol (PG) or ethanol due to previous scalp damage. The user is also seeking sources for these products in the EU.
The conversation is about creating a DIY topical finasteride solution using ethyl alcohol and propylene glycol. A user suggests using a compounding pharmacy instead.
OP asked if a product from Amazon is sufficient to dilute finasteride. A user advised against using propylene glycol alone, suggesting a pre-made solution instead.
Koshine KX-826 has different versions, and the green version uses a plant-based carrier that may be less irritating for those sensitive to propylene glycol. Users report irritation with some versions of KX-826.
The conversation discusses adjusting the isopropyl alcohol, propylene glycol, and water ratios in a topical finasteride solution for better scalp comfort and less dandruff. The user considers using 20ml IPA, 25ml PG, and 15ml water in a 60ml bottle, moving away from mixing finasteride with topical minoxidil.
The conversation discusses using Rogain foam as a solvent for topical finasteride due to an allergy to propylene glycol. The foam's ingredients, including alcohol SD 40B, are considered suitable for dissolving finasteride for easier application without skin irritation.
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.
Homemade topical finasteride solutions are discussed, with one user using 30% ethanol, 50% propylene glycol, and 20% water. Alternatives like dissolving finasteride pills in minoxidil and using stemoxydine are also mentioned.
The user wants to make a topical finasteride solution using wound cleanser with 70% IPA and add 40% propylene glycol due to headaches from minoxidil. They seek advice on using the wound cleanser and recommendations for pharmaceutical/cosmetic grade IPA in India.
The conversation discusses creating a DIY topical finasteride solution for someone allergic to propylene glycol, with suggestions to use glycerin or a glycerol-based vehicle instead. The user also mentions using foam minoxidil.
Creating a propylene glycol-free Minoxidil and Tretinoin solution to reduce skin irritation and enhance effectiveness. An emulsifier like lecithin can help mix Tretinoin properly, and Minoxidil foam is an alternative without propylene glycol.
A user seeks advice on mixing RU58841 serum using European ingredients, specifically struggling to find propylene glycol. They are looking for alternatives to American products commonly recommended in guides.
A user is seeking topical versions of minoxidil and finasteride in Australia that do not contain propylene glycol. They are looking for alternatives due to potential irritation from propylene glycol.
The conversation is about the effectiveness of Minoxidil formulations with different alcohol and propylene glycol (pg) ratios. The user finds that a formulation with 20% pg and 80% ethanol dries faster but is concerned about absorption time.
The user is experiencing an allergic reaction to propylene glycol in Kirkland minoxidil and is considering switching to a foam version or a low-PG minoxidil solution. They are also contemplating oral minoxidil but are concerned about its long-term safety.
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.
The conversation discusses the lack of public information on the chemical structure of PP405, a hair loss treatment, and the challenges of synthesizing it without a patent. It also explores a patent related to hydrogen-based topical formulations for reducing oxidative stress and inflammation.
The user is seeking a topical minoxidil and finasteride combination without propylene glycol due to scalp irritation. They are looking for a supplier in the US.
A user is seeking advice on creating a homemade finasteride foam similar to over-the-counter Minoxidil foam, due to issues with glycerin and propylene glycol in their current solutions. They are considering using a mixture of ethanol/alcohol and water for the foam.
The conversation is about making topical finasteride using ethanol. The user is advised to use non-denatured or food-grade ethanol, as denatured ethanol may be harmful with prolonged skin exposure.
A user is making their own dutasteride solution using MCT oil but is concerned about its effectiveness and bioavailability. They are considering using propylene glycol or adding ethanol for better results, while others suggest the current dosage might be excessive.
The user is using Dutasteride and oral Minoxidil for hair regrowth and is considering adding topical Minoxidil but is allergic to propylene glycol, which is present in the product they found. They need a solution with tretinoin that does not contain propylene glycol.
Diluting finasteride in a Hims spray can be done using ethanol or propylene glycol to maintain the desired concentration without increasing minoxidil levels. This approach ensures the finasteride concentration is reduced to 0.025% without affecting the minoxidil strength.
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.
The user is experiencing scalp irritation from using RU58841 with a 70% ethanol and 30% propylene glycol vehicle and is considering switching to a less irritating vehicle, such as 30% ethanol with 70% squalane or emu oil. They are seeking feedback on the effectiveness and irritation levels of these alternative carriers.