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http://dx.doi.org/10.14478/ace.2018.1115

Formulation Studies for Surface Modification and Application to Cosmetics of Jadeite Powder  

Kim, Yong Woo (Department of Fine Chemistry, Cosmetic R&D Center, Seoul National University of Science and Technology)
Park, Soo Nam (Department of Fine Chemistry, Cosmetic R&D Center, Seoul National University of Science and Technology)
Publication Information
Applied Chemistry for Engineering / v.30, no.2, 2019 , pp. 167-177 More about this Journal
Abstract
The jadeite powder has a disadvantage affecting the stability of the formulation due to the agglomeration of the powder when applied to cosmetic formulations. To overcome this problem, a new composite powder was prepared by modifying the surface of jadeite powder and applied to foundation pact and sun stick. In this study, a triethoxycaprylylsilane among various surface modifiers was selected as an optimum component, and applied to each formulation by making the jadeite powder composite. As a result, the foundation pact maintained the clarity of the product color, and the sun stick gave about 30% higher UV blocking effect in the UVB area compared with that of the blank. In the user sensory evaluation, the formulation containing the jadeite powder composite showed a high score for the overall indicator. The stability evaluation of the formulation was also confirmed that it was stable against discoloration, detachment and hardness. In conclusion, the jadeite powder composite is stable as an inorganic pigment which is applicable to cosmetics as a multifunctional material while maintaining the color clarity of the product and acting as a booster for sunscreen agents.
Keywords
Jadeite powder; Natural materials; Composite; Cosmetics; Inorganic powder;
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