What causes the white flocculent or diffuse precipitate observed during the preparation of a 35% aluminum chloride solution in aqua conservans, and which substance is precipitating, given that the issue persists regardless of the mixing order, occurs at both pH <1 and pH 4.5-5, and only appeared after starting a new lot of AlCl3 that otherwise meets Ph. Eur. standards?

What formula would you recommend for making a product similar to Hibiscrub but without any coloring agent?

What is a suitable, non-greasy base for incorporating 2% topical simvastatine for use on hairy skin, given that the standard oily base is not ideal and the dermatologist suggests options such as carbomer gel or anionic hydrophilic cream?

What is the exact composition of diaper vaseline, given that a prescription was received with only the terms diaper vaseline?

What are the potential problems associated with a suppository composition containing 100 mg guaifenesin, 100 mg eucalyptol, and 100 mg camphor, intended for one suppository with a total of ten to be dispensed?

How can the discoloration of a mouthwash, which turns from light to dark brown after a few days despite being stored in a brown bottle as recommended by the physician, be avoided when prepared according to the following formulation: 4 g tetracycline HCl, 300,000 IU nystatin, 1.5 g tragacanth, 1 g sodium cyclamate, 40 g water, 5 ml glycerin, and vanilla syrup up to 100 ml?

What is the formula for a cream containing 20g aluminium chloride, 20g glyceryl monostearate, 2.5g spermaceti, 2.5g liquid paraffin, and aqua conservans up to 100g?