What is the best method to dissolve dithranol 3%, salicylic acid 25%, and acetone 10% in flexible collodion to a total volume of 50 ml, considering that salicylic acid is difficult to dissolve in collodion and dithranol has low solubility in acetone?

What shelf-life periods are used for disinfectants after opening in a hospital environment, what are these periods based on, and are there any studies or publications available regarding this subject?

What is the composition of Dalet balsam?

I would like to make a buflomedil syrup for adults; do you already have a formulation for this?

What is the best alternative for thiomersal, which is no longer commercially available, when it is used alongside boric acid and borax in the naphazoline and diphenhydramine eye drops from the Memento?

Does anyone have a composition for the treatment of lichen planus?

What advice can be given for the following preparation, as this cream is breaking: 2 g salicylic acid, 30 mg clobetasol propionate, 36.72 g white petrolatum, 4.08 g polysorbate 80, 0.102 g sorbic acid, and purified water up to 100 g?