The synergistic effect of dimethyl silicone oil and amino silicone oil in moisturizing cosmetics In the cosmetics industry, moisturizing effect is one of the important indicators to measure product quality. In order to achieve a more lasting and effective moisturizing effect, numerous chemical ingredients are widely used in various skincare products. Among them, dimethyl silicone oil and amino silicone oil, as two high-performance silicone oils, have shown significant synergistic effects in moisturizing cosmetics due to their unique chemical structure and physical properties.

1、 Basic characteristics and moisturizing effect of dimethyl silicone oil
Dimethyl silicone oil is a colorless, odorless, and transparent liquid with excellent lubricity, stability, and chemical inertness. In cosmetics, dimethyl silicone oil is often used as a moisturizer, softener, and film-forming agent. It can quickly spread on the surface of the skin, forming a thin and breathable moisturizing barrier, effectively locking in moisture and preventing external environment from evaporating skin moisture. Meanwhile, dimethyl silicone oil can enhance the skin's barrier function, reduce water loss, and make the skin softer and smoother.

2、 Basic characteristics and moisturizing effect of amino silicone oil
Amino silicone oil is a type of silicone oil containing amino functional groups, which has excellent softness, glossiness, and antioxidant properties. Amino silicone oil is often used as a lubricant, dispersant, and antioxidant in cosmetics. It can quickly penetrate deep into the skin, providing long-lasting moisturizing effects for the skin. At the same time, amino silicone oil can enhance skin elasticity, reduce the appearance of fine lines and wrinkles, and make the skin younger and firmer.

3、 The synergistic effect of dimethyl silicone oil and amino silicone oil
The synergistic effect of dimethyl silicone oil and amino silicone oil in cosmetics is mainly reflected in the following aspects:

Enhance moisturizing effect: Dimethyl silicone oil and amino silicone oil can work together on the surface of the skin to form a tighter moisturizing barrier. This barrier can effectively lock in moisture, prevent the external environment from evaporating skin moisture, and keep the skin hydrated for a long time. At the same time, the two can also promote mutual penetration and improve moisturizing effect.
Improving skin texture: Dimethyl silicone oil and amino silicone oil have good lubricity and extensibility, which can be quickly absorbed by the skin to form a delicate moisturizing layer. This makes the skin feel softer and smoother, enhancing the overall texture of the product.
Enhance skin barrier function: Dimethyl silicone oil and amino silicone oil can jointly enhance the skin's barrier function and reduce water loss. They can fill the intercellular spaces in the stratum corneum of the skin, forming a protective net to prevent harmful substances from damaging the skin.
Antioxidant and anti-aging: Amino silicone oil has excellent antioxidant properties, which can resist the damage of external environment to the skin and reduce the appearance of fine lines and wrinkles. And dimethyl silicone oil can enhance skin elasticity, making the skin firmer and younger.
4、 Application examples in cosmetics
Face cream and lotion: Dimethyl silicone oil and amino silicone oil are often added to face cream and lotion at the same time to enhance the moisturizing effect and skin feel of the product. They can be quickly absorbed by the skin, forming a protective film that keeps the skin hydrated for a long time. At the same time, the two can also mutually promote penetration and improve the utilization rate of active ingredients in the product.
Essence liquid: adding dimethyl silicone oil and amino silicone oil to essence liquid can improve the permeability and moisturizing performance of the product. They can help other active ingredients penetrate deeper into the skin, while locking in moisture and improving the skin's moisturizing ability. In addition, both can improve the texture of essence liquid, making it lighter and easier to absorb.
Sunscreen: Dimethyl silicone oil and amino silicone oil are also widely used in sunscreen. They not only provide long-lasting moisturizing effects, but also enhance the waterproof performance of sunscreen. This allows the skin to maintain hydration and sun protection for a long time during outdoor activities.

5、 Safety and Environmental Protection
The application of dimethyl silicone oil and amino silicone oil in cosmetics has been widely recognized. They have good safety and stability, and will not cause irritation or allergies to the skin. Meanwhile, both types of silicone oil are environmentally friendly materials that are biodegradable and have a relatively small impact on the environment. This makes them have broad application prospects in the cosmetics industry.

6、 Future Development Trends
With the increasing demand for cosmetic quality from consumers, the application of dimethyl silicone oil and amino silicone oil in cosmetics will continue to innovate and develop. In the future, we can look forward to the emergence of more new moisturizing products containing these two types of silicone oil, providing consumers with a higher quality and more efficient skincare experience. At the same time, these two silicone oils will be combined with other functional ingredients to develop cosmetics with multiple effects, meeting the personalized needs of consumers. In addition, with the increasing awareness of environmental protection, the cosmetics industry will also pay more attention to the environmental and sustainable development of silicone oil in the future.