Cyclopentasiloxane, the English name is CYCLOPENTASILOXANE. Cyclopentasiloxane’s main functions in cosmetics and skin care products are thickeners, emollients, and solvents. The risk coefficient is 3. It is relatively safe and can be used with confidence. It is generally not suitable for pregnant women. Effect, cyclopentasiloxane is not comedogenic.
Cyclopentasiloxane is a type of synthetic silicone oil, referred to as D5, and is widely used in cosmetics and human care products. This ingredient is colorless, odorless and volatile. It is often added to essences, lotions, foundations, makeup primers and conditioners to produce a smooth and silky feeling. D5 has a large molecular weight, is easily volatile, and cannot be absorbed by the skin.
Click for details: IOTA 1401 Cyclopentasiloxane and Cyclotetrasiloxane and Dimethiconol – Manufacturer of Cosmetic Silicones (personalcaresilicone.com)