The safety has been assessed by the Cosmetic Ingredient Review (CIR) Expert Panel. The panel concluded that this ingredient is unsafe in cosmetic formulations in the present practices of use and concentration.
Cyclopentasiloxane, also known as D5, is a type of silicone fluid commonly used in cosmetic formulations. It is a clear, colorless, and odorless liquid that is known for its excellent spreading, lubricating, and smoothing properties.In cosmetic formulations, Cyclopentasiloxane is used for various purposes, including:1. Enhancing product texture: It helps to create a silky, smooth, and lightweight texture in products like creams, lotions, and serums, making them easy to apply and spread evenly on the skin.2. Moisturizing: It forms a protective barrier on the skin, helping to lock in moisture and prevent water loss, which can lead to improved skin hydration.3. Volatility: Due to its volatile nature, Cyclopentasiloxane evaporates quickly after application, leaving behind a non-greasy, dry feel on the skin.4. Carrier: It can act as a carrier for other ingredients, helping to improve their absorption and effectiveness.5. Hair care: In hair care products, it helps to detangle, reduce frizz, and add shine to the hair without weighing it down.Overall, Cyclopentasiloxane is a versatile ingredient that enhances the performance, feel, and aesthetics of various cosmetic products.