Journal of the Korean Society of Cosmetology 2019;25(2):408-416.
Published online April 30, 2019.
Hydrogenated Styrene/Isoprene Copolymer를 이용한 천연 립 틴트의 제조 및 효능 평가
안은주, 김정희
The Preparation and Evaluation of Natural Lip tint Using Hydrogenated Styrene/Isoprene Copolymer
Eun-joo An, Jeong-hee Kim
Abstract
The use of natural color ingredient has been variously attempted due to the harmfulness of tar pigments used in a cosmetic lip product. However, The demerits of cosmetics containing natural color ingredient arise with regard to stability, color development, and sustainability. In this study, the film former was added to the lip tint formulation to improve its sustainability. A control sample was prepared lip tint containing gardenia jasminoides extract. Sample A was added to hydrogenated styrene/Isoprene copolymer to control. For comparative evaluation, sample B (commercial product) was prepared lip tint containing tar pigment as a colorant. we assessed the stability, safety, and durability of prepared lip tint (control, sample A, and B) As a result, there was no separation of materials from all samples after centrifugation and cycling test. The stability of all samples
Key Words: Durability, Hydrogenated styrene/Isoprene copolymer, Lip tint, Natural cosmetics, Safety, Stability


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