How can finasteride 0.25% and minoxidil 7% be dissolved in TrichoSol, given that the Fagron website recommends using 10% ethoxydiglycol to dissolve the finasteride but this product is currently unavailable?

Given that ethanol at 15% m/m has a preservative effect, can 96% ethanol for oral use be used in a gel for external application, or is it also possible to use 70% or 90% ethanol denatured with isopropanol?

Is there a formula for a syrup or suspension for a small dog with 20 mg/ml gabapentin, prescribed as 60 ml with a daily dose of 1.5 ml, given that the gabapentin is available as bulk powder?

Is it a good choice to use Na-CMC or hydroxyethylcellulose for a lubricant, how many g/l should be used, and how can clumping or foaming be prevented during preparation?

Is salicylic acid permitted in cetomacrogol cream TMF despite the phenol group, considering that a trainee claims it is not allowed due to this group, yet it is approved in the ACA and Pannoc lists, and how should this be explained?

When preparing 20 capsules of 4 mg folic acid with a 5% overdose for a unit dose under 10 mg and a 10% compensation for water content (totaling 4.62 mg per capsule and 92.4 mg total), should the 1/10 trituration (e.g., 500 mg in 5 g diluent) also be compensated for water content (e.g., 550 mg in 5 g diluent), or would this result in double compensation since the calculation for the capsules already accounts for it?

What are the stability problems of a solution containing 3 grams of Phenobarbital sodium and purified water up to 300 cc?