For a prescription for a shampoo containing 7.5% coal tar and 1.5% levomenthol in a 200 ml shampoo base, should actual black coal tar be used, or is it better to use coal tar saponine?

How should I prepare the following suspension: 5 g salicylic acid, 5 g zinc oxide, 10 g acacia gum, and water?

What are the components of PEID ointment?

What is the formula for the preparation of Lariam syrup 31.25 mg/5 ml for travel to Africa?

What is the recommended preparation method for a prescription containing 25 mg betamethasone dipropionate, 0.25 g chlorhexidine, 1.5 g salicylic acid, 11 g liquid paraffin, and white petrolatum up to 50 g, considering potential processing issues with chlorhexidine when combined with salicylic acid in a petrolatum base?

Do you know which filter should be used for the removal of spores from an alcoholic solution?

What are the stability problems of a solution containing 3 grams of Phenobarbital sodium and purified water up to 300 cc?