Moisturizer
Moisturizer
Moisturizer (pronunciation: /ˈmɔɪstʃəraɪzər/) is a cosmetic preparation used for protecting, nourishing, and hydrating the skin by maintaining its moisture level.
Etymology
The term "moisturizer" is derived from the English word "moisture" which means to make something slightly wet, and the suffix "-izer" which implies an agent of the action.
Definition
A moisturizer is a complex mixture of chemical agents specially designed to make the external layers of the skin (epidermis) softer and more pliable by increasing its hydration (water content) by reducing evaporation.
Types of Moisturizers
There are three basic types of moisturizers: occlusives, humectants, and emollients.
- Occlusives: These work by forming a thin film on the surface of the skin to prevent loss of moisture.
- Humectants: These attract water vapor from the air to hydrate the skin.
- Emollients: These fill the spaces between skin cells, creating a smooth surface.
Usage
Moisturizers are used to prevent and treat dry skin. They can also protect sensitive skin, improve skin tone and texture, and mask imperfections.
Related Terms
- Hydrating: The process of providing water or moisture.
- Emollient: A substance that softens and soothes the skin.
- Humectant: A substance used to reduce the loss of moisture.
- Occlusive: A type of moisturizer that prevents water loss.
- Epidermis: The outer layer of cells covering an organism, in particular.
External links
- Medical encyclopedia article on Moisturizer
- Wikipedia's article - Moisturizer
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