User is on vacation in Greece and wants to buy tretinoin or isotretinoin to improve Minoxidil absorption. They are considering isotretinoin since it is available over-the-counter in Greece but requires a prescription back home.
The conversation is about improving castor oil absorption for hair loss treatment. The user tried ethanol and sweet almond oil mixtures and plans to try DMSO next.
A new topical Dutasteride with 20 times better scalp absorption being developed and tested for release in 2023; use of existing drugs, such as Minoxidil and finasteride; and mesotherapy as an alternative hair loss treatment.
Stevia microneedles increased minoxidil absorption and hair growth in mice. The conversation humorously questions the applicability of these results to humans.