What causes the difference in texture in a dermatological preparation consisting of 6.6 g lactic acid DL, 80.7 g propylene glycol, 38 g glycerin, 7.5 g Lanette N, 7.5 g sweet almond oil, and PEG 400 up to 150 ml, where 1.5 g cetomacrogol 1000 was added for stability, given that using regular lactic acid resulted in a cream-like product while using lactic acid DL resulted in a product more similar to an ointment?

What is the best way to prepare an ointment containing 10% urea and 8% lactic acid in Paneucerin cum aqua to prevent separation, given that the mixture separates immediately with Paneucerin cum aqua and fails to thicken when using a self-made base of Eucerin and water, and would an alternative ointment base be more suitable?

How should a suspension containing co-trimoxazole be prepared?

Since Neo-bacitracine is unavailable until September, is it possible to compound this?

How can the taste of ranitidine suspension TMF be improved for a baby who refuses it because the smell of mint alone triggers negative reactions?

What is a good formula for a moisturizing mouth spray for a patient who suffers from a dry mouth and has tried various sprays without result?

What can be used as a replacement for carmine red in the preparation of suppositories or ovules, given that carmine red does not have a license number, and what is the required concentration?