Scalp irritation from homemade topical finasteride may be caused by isopropyl alcohol. Alternatives suggested include using ethanol or everclear with distilled water.
The user is experiencing scalp irritation from a compounded treatment of finasteride, minoxidil, and tretinoin. They are considering switching to a non-alcohol, propylene glycol-free formula with a lower tretinoin percentage to reduce irritation.
Topical minoxidil with retinoic acid is effective but causes scalp irritation, leading the user to consider switching to 2.5mg oral minoxidil. Oral minoxidil may cause body hair growth and heart-related side effects, so it's advised to use it under medical guidance.
The user seeks alternatives to Propylene Glycol (PG) for delivering topical finasteride due to scalp irritation. They consider using Propanediol 1,3 and ask for other suggestions.
Mixing RU58841 with cetosomal minoxidil is discussed due to scalp irritation from ethanol PG vehicles. A mixture of the two turned bright pink when left to dry.