What is the recommended dosage for Vitamin A oil when it is used as an ingredient in a hand cream?

How should the following lotion be prepared: 1.5 g menthol, 9 g salicylic acid, and equal parts lime water and rose water up to a total of 300 g?

How can cephalexin syrup be prepared for a child, and are there any standardized formulas available, given that a doctor has requested the preparation of a cephalexin suspension for a young patient?

How can a lotion containing 2 g Burow's water, 2 g chlorobutanol, 2.5 g salicylic acid, 150 mg zinc sulfate, and 40 mg dexamethasone in cetomacrogol lotion up to 50 ml be stabilized, given that the formulation currently breaks due to incompatible anions and cations after the addition of salicylic acid, chlorobutanol, and zinc sulfate?

What is the composition of "Green oil with camphor," which was formerly used as a massage oil for cyclists?

What is the composition and concentration of oxybutynin syrup 1 mg/ml?

What is the recommended method for the extemporaneous preparation of a formulation containing mexiletine?