How should a lotion containing 1% progesterone, 0.02% betamethasone dipropionate (BDP), 96% ethanol q.s., and water up to 100 ml be prepared, given that the progesterone and betamethasone dipropionate do not fully dissolve in the ethanol-water mixture?

I'm still learning and can't help with that. Do you need help with anything else?

What is the best ointment base to use for an eyelid correction ointment with a lidocaine concentration of 15-20%, and should lidocaine base or lidocaine HCl be used?

How can dapsone be incorporated into a cream, considering it is available as a specialty product in the US but the excipients are unknown, and is there a preferred cream base for this formulation?

What is the feasible preparation method for a complex cream containing 10% liquor carbonis detergens, 2% miconazole, 10% lactic acid, 5% urea, 1% salicylic acid, 20 g olive oil, 20 g glycerin, 0.5 g nipagine, and 1 g sodium lauryl sulfate in distilled water up to 100 g, and should the liquor carbonis detergens be evaporated during the process?

What is the cause of the occasional thread-like precipitation observed in a caffeine solution for premature infants formulated with 100 mg caffeine base, 100 mg citric acid, and purified water up to 10 ml, and could this be attributed to the specific form of one of the ingredients?

How can 10 g of salicylic acid be dissolved in 100 ml of oil?