Methyl-t-branched polydimethylsiloxane is widely used in the personal care and cosmetics industry due to its unique properties. It acts as an excellent emollient, providing a smooth and silky feel to skin and hair products. Its lightweight texture makes it ideal for use in lotions, creams, and conditioners, where it enhances spreadability and reduces greasiness. Additionally, it is often incorporated into makeup formulations, such as foundations and primers, to improve application and create a long-lasting, non-greasy finish. In hair care, it helps to reduce frizz, add shine, and improve manageability. Its water-repellent nature also makes it suitable for use in waterproof cosmetics and sunscreens. Beyond personal care, it is utilized in industrial applications as a lubricant or release agent due to its thermal stability and low surface tension.