Should copper sulfate and zinc sulfate be converted to copper sulfate pentahydrate and zinc sulfate heptahydrate when preparing "blue water," given that the National Formulary describes the formula with 300 mg of copper sulfate and 300 mg of zinc sulfate, but the available raw materials in the pharmacy are the pentahydrate and heptahydrate forms?

What are the potential issues with this formula containing 25 g benzyl benzoate, 8 g white wax, 10 g spermaceti, 57 g peanut oil, 5 g castor oil, 200 mg sodium borate, and preserved water up to 100 g?

Can Celestone drops be prepared as a compounded (magistral) formulation, given that the product is sometimes unavailable?

How can I prevent precipitation in a formulation containing 4% hydroquinone, 0.03% tretinoin, 0.2% vitamin C, 10% propylene glycol, and equal parts ethanol and distilled water up to 100 ml, given that precipitation occurs when combining a solution of vitamin C, propylene glycol, and water with a cooled solution of tretinoin and hydroquinone previously dissolved in ethanol with heat?

What is the composition of aluminum hydroxychloride cream?

Where can the Nystatin content be found, and what actions should be taken regarding the moisture content?

Regarding the color of flufenamic acid, is it normal for the color of my flufenamic acid to sometimes vary per lot?