Langyou Chemical
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Function of Stearic Acid in Lotion
Stearic acid in the emulsion has multiple functions. First, it can be used as an emulsifier. The preparation of the emulsion requires uniform mixing of the oil phase and the water phase. Stearic acid can reduce the surface tension of the oil-water interface and promote the uniform dispersion of oil droplets in the water phase to form a stable emulsion structure. Second, stearic acid can play a thickening role. Adding an appropriate amount of stearic acid can improve the viscosity of the emulsion, improve its rheological properties, and make the emulsion have a suitable consistency, which is easy to apply and use, and remains stable during storage, and is not prone to delamination. Third, stearic acid helps to improve the moisturizing degree of the emulsion. Its molecular structure characteristics can form a thin protective film on the surface of the skin, reducing the evaporation of skin moisture, thereby enhancing the moisturizing and moisturizing effect of the lotion on the skin, making the skin feel smoother and more delicate. In short, stearic acid plays an important role in the composition and performance of the lotion, which is of great significance to improving the quality and use effect of the lotion.
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