As a partner of internationally renowned cosmetics manufacturers, Faber-Castell Cosmetics is one of the leading private label manufacturers of high-quality cosmetic pencils for face, eyes, lips and nails.
Elaborate formulas and packaging are developed to transformed cosmetic trends into successful products in the future. For reliable quality assessments of new trends, the company relies on a Memmert ICP cooled incubator for storage tests.
Faber-Castell Cosmetics develops exclusive textures in close cooperation with its customers or adapts standard textures customer-specifically. Thanks to an intelligent modular system of formulas, formats and accessories, the highest quality requirements as well as individual customer requests are equally met. In addition to fashion, design and colour trends, benefits such as care effects, durability and usability are taken into account when developing the latest beauty products. However, the concepts are not ready for the market until intensive quality tests have been carried out. Of course, the state-of-the-art production is in accordance with international directives for the production of cosmetic products and strictly adheres to the requirements of the cosmetic GMP, which defines obligatory guidelines for all production stages.
Storage tests of cosmetic pencils
For storage tests after the development of new formulas and packaging variants, a Memmert cooled incubator ICP 600 is part of Faber-Castell Cosmetics’ equipment of measuring and testing devices. The wood or plastic-cased cosmetic pencils and applicators are stored in the cooled incubator at different temperatures between 5 °C and 50 °C for twelve weeks and subsequently tested for changes of the colouring component and case. The cooled incubator is moreover used for temperature tests at changing temperatures.
Temperature stability in the cooled incubator
Andreas Buchner, R&D Manager Process Development at Faber-Castell Cosmetics, explains that there are no standards for these kinds of tests. The parameters for all storage tests are therefore defined by in-house standards according to the current state of technology. Since storage tests are performed at defined temperatures, temperature stability in the cooled incubator is an important criterion. The specified maximum temperature deviation in terms of time and space is ±1 °C. Besides temperature stability, another decision criteria in choosing the right appliance were the convenient programming as well as the possibility of logging and reading out the process parameters saved in the cooled incubator even after longer periods of time. AtmoSAFE would like to thank Andreas Buchner, R&D Manager Process Development at Faber-Castell Cosmetics for the friendly support in creating this article.