community Tretinoin can enhance the skin permeability of Minoxidil approximately 3-fold at 0.05%[24] and itself has some hair regrowth properties.
The conversation discusses enhancing Minoxidil absorption for hair loss treatment using Tretinoin and MSM (Methylsulfonylmethane). The user is seeking sources for Tretinoin and mentions MSM's potential to improve the absorption of topical agents.