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.
The new regulation for cosmetics (EC No 1223/2009; EU, 2009c) was the first to include a definition on nanomaterials: ânanomaterialââ means an insoluble or biopersistent and intentionally manufactured material with one or more external dimensions, or an internal structure, on the scale from 1 to 100 nmâ.