Observation of the puff surface using a digital microscope.
The surface shape of foundation puffs and the adhesion of cosmetics were evaluated using a digital microscope. The digital microscope has a greater depth of field compared to optical microscopes, allowing for accurate observation of large uneven objects that could not be focused on with a microscope. The observation results of commercially available foreign puffs are shown in Figures 1 to 4. The surface shape of the puffs and the adherence of the foundation can be confirmed. Additionally, as shown in Figure 5, it is also possible to directly observe the surface of the hand.
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Analysis of cosmetics and daily necessities.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!