Which base can be used to create a shampoo based on econazole nitrate, considering that the solubility of this product is limited to methyl alcohol and benzyl alcohol?

What is the preparation method for cocaine 4% eye drops (10 ml), including the specific excipients and their quantities, given that existing references only provide formulas for cocaine combined with adrenaline which are not applicable here, and what are the toxicity concerns regarding this collyrium?

Does a 0.01% potassium permanganate solution in water need to be filtered, given that an additional filtration fee can be charged if filtering proves to be necessary?

What is the recommended approach for preparing a hair lotion containing 11-alpha-hydroxyprogesterone at a 6% concentration, considering the lack of information regarding this specific concentration and its solubility?

What causes a precipitate to form in a preparation containing 20 g aluminum chloride, 1 g hexachlorophene, 60 ml denatured alcohol, a few drops of lavender, and water up to 100 cc, after everything initially appeared to be well dissolved?

Does your omeprazole suspension also sometimes turn gray?

Why is a carbomer gel containing 3% flufenamic acid and 40% PEG considered much too liquid?