Which of the following includes skin cleansers, moisturizers, and body washes?

The correct choice refers to oil-in-water emulsions, which are commonly used in a variety of personal care products, including skin cleansers, moisturizers, and body washes. This type of emulsion is characterized by droplets of oil dispersed in water, which allows for a lightweight texture that is easily absorbed by the skin. It offers the hydrating benefits of water combined with the nourishing properties of oils, making it ideal for products that aim to cleanse and moisturize the skin effectively.

Oil-in-water emulsions typically provide a smooth application and leave the skin feeling soft and hydrated, making them suitable for everyday use in skincare routines. They are formulated to help retain moisture while also delivering cleansing properties, which is particularly important in products designed for maintaining healthy skin.

In contrast, the other options focus on different types of formulations that do not encompass the full range of properties associated with skin cleansers and moisturizers. Suspensions involve solid particles dispersed in a liquid and may not provide the emollience expected from cleansers and moisturizers. Gels are often water-based and can feel refreshing but might lack the moisturizing components found in oil-in-water emulsions. Foams typically consist of gas bubbles in a liquid, which alters their effectiveness for hydrating and cleansing the