Octylyl trimethicone (INCI name: Caprylyl Trimethicone) is a colorless and transparent organosiloxane liquid. Due to its physiological inertness, excellent volatility, and compatibility, it has become a multifunctional core ingredient in the cosmetics industry, widely used in skincare, makeup, and haircare products. Its low viscosity provides a smooth feel on the skin, is non-irritating, and is not easily absorbed, making it suitable for most skin types.
In skincare and sunscreen products, it acts as a "skin feel optimizer." It can quickly spread to form a thin protective film, locking in skin moisture and resisting external irritants. Its moderate volatility eliminates any greasy or sticky feeling, making lotions and sunscreens easier to apply, while also improving the absorption efficiency of active ingredients. When used with plant oils, it can neutralize the heaviness of oils, achieving a balance between nourishment and a refreshing feel.
In the makeup industry, it serves as both a carrier and a setting agent, enhancing the adherence and longevity of foundation, eyeshadow, and other products, preventing makeup from creasing or patching, while also making the makeup look more natural and radiant. In hair care products, its conditioning properties repair damaged hair, reduce static and split ends, leaving hair smooth and shiny. As an ideal additive, it is suitable for a wide range of addition levels from 0.5% to 20%, providing flexible solutions for cosmetic formulations and becoming a preferred ingredient that balances user experience and safety.