Scalp irritation from homemade topical finasteride may be caused by isopropyl alcohol. Alternatives suggested include using ethanol or everclear with distilled water.
User experienced scalp irritation from Kirkland 5% liquid minoxidil, likely due to propylene glycol. They are seeking non-PG liquid alternatives that are affordable.
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.