Where can Epsilane be found, or can it be replaced by another product in a French formula for treating pigment spots containing 2 g hydroquinone, 0.02 g tretinoin, 0.4 g hydrocortisone, and Epsilane stabilisante QS 40 g?

Is there a fragrance-free hair gel available, given that Cosme-APB indicates this is not the case, and if so, how could this be prepared as a compounded formulation?

For a prescription specifying Furantoine 12mg for a baby with kidney problems, should the raw material nitrofurantoin be used or the specialty Furadantine Macro Crystalline?

What is the shelf life of a 4% acetylcysteine sorbitol syrup, and can anything be added to guarantee stability, given that the preparation currently produces a slight sulfur odor while maintaining a good taste with added aroma?

How can a clear lotion be obtained for a formulation containing 5% salicylic acid and 1% hydrocortisone in a vehicle of equal parts rose water and isopropanol up to 200 ml, to be applied once daily to the scalp?

How can the instability of a hand cream be prevented, given that it becomes significantly more liquid over time after being processed through a dual ointment mill to achieve a smoother texture, when the formulation consists of 16 g cetyl alcohol, 20 g glycerin, 20 g olive oil, 0.5 g nipagin, 1 g sodium lauryl sulfate, and aqua conservans up to 100 g?

What is an alternative for a hemorrhoid ointment based on nifedipine (200 mg nifedipine, 10 ml PG, 10 g lecithin, 10 g isopropyl myristate solution, and PEG ointment FB V ad 100 g) to be used for anal fissures, given that nifedipine is not available as a raw material and an isosorbide preparation has already been tried without success?