What is the formula for hydrophilic petrolatum?

What is the formula for hydrophilic petrolatum?

• A. Cholesterol and Stearyl Alcohol (both emulsifiers), White Wax, and White Petrolatum
• B. Lanolin and Beeswax, Mineral Oil, White Wax
• C. Cholesterol and Cetyl Alcohol, White Wax, and White Petrolatum
• D. Glycerol and Sorbitol, White Wax, and White Petrolatum

Answer: (A)

Hydrophilic petrolatum is a petrolatum base that has been modified with emulsifying agents to make it water-washable. To achieve this, the formula combines white petrolatum (the oil phase) with white wax for structure and emulsifiers such as cholesterol and a fatty alcohol like stearyl alcohol to stabilize a water-in-oil emulsion. These emulsifiers enable water to be incorporated and then washed away, giving a base that can interact with aqueous solutions without losing its ointment-like texture. The other options don’t provide this essential emulsifying system or replace it with components that don’t confer the same water-washable properties.

Hydrophilic petrolatum is a petrolatum base that has been modified with emulsifying agents to make it water-washable. To achieve this, the formula combines white petrolatum (the oil phase) with white wax for structure and emulsifiers such as cholesterol and a fatty alcohol like stearyl alcohol to stabilize a water-in-oil emulsion. These emulsifiers enable water to be incorporated and then washed away, giving a base that can interact with aqueous solutions without losing its ointment-like texture. The other options don’t provide this essential emulsifying system or replace it with components that don’t confer the same water-washable properties.