What is the explanation for the preparation failure and the resulting watery mixture, which is unsuitable for dispensing, when mixing the water and oil phases at 70°C for a formulation containing 20 g aluminum chloride, 20 g glyceryl monostearate, 2.5 g spermaceti, 2.5 g liquid paraffin, and aqua conservans up to 100 g?

Can a 2% minoxidil solution be formulated to reduce the strong smell of isopropyl alcohol, as a patient is complaining that the scent lingers in their hair, and is there a specific method or composition to make the odor less intense?

What causes precipitation in an alcohol-free mouthwash consisting of 6.0 ml chlorhexidine gluconate 20%, 0.17 g saccharin sodium, 1.0 g cetomacrogol, 30.0 g peppermint spirit, and purified water up to 1000 ml?

What is the function of Tween 80 in a preparation containing 5% salicylic acid, 5% Tween 80, and 0.05% clobetasol propionate in emulsifying ointment with water up to 100%, and is it added to enhance the effect of the active substances or to aid adsorption to the scalp, given that it is not necessary as an emulsifier?

How should 0.5% pilocarpine eye drops be prepared, given that the only available formulas contain sodium thiomersal, which is no longer recommended or available, and what is a suitable alternative?

How can boric acid be sprayed into the ear using a bulb syringe?

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