Dimensions, quantity, or capacity as ascertained by comparison with a standard. A reference standard or sample used for the quantitative comparison of properties. A unit specified by a scale, such as a degree, or by variable conditions, such as room temperature. A system of measurement, such as the metric system.
This definition sets three general conditions that cosmetic products must meet: 1  Cosmetic product is a single substance or a preparation. 2  It is only applied / used on the external parts of the human body.
Cosmetic preservatives are defined as a material that will, prevent the growth of or, react with and destroy, microorganisms that might damage the product or create a health hazard by growing on, or in, the product.