CYCLOMETHICONE

Cyclomethicone is a type of volatile silicone commonly used in personal care and cosmetic products as a conditioning agent, emollient, and carrier fluid. It helps improve the spreadability of formulations, leaving a silky, non-greasy feel on the skin and hair. Due to its fast-evaporating nature, it is often used in lightweight and quick-drying formulations.

CAS Number: 556-67-2 (for D4), 541-02-6 (for D5), 541-05-9 (for D6)
INCI Name: Cyclomethicone

Lightweight & Non-Greasy Feel – Leaves a silky, smooth texture on skin and hair.
Fast Evaporation – Enhances the application of products without leaving residue.
Improves Spreadability – Helps formulations glide easily onto the skin or hair.
Enhances Absorption – Aids in delivering active ingredients without making the product heavy.
Non-Comedogenic – Does not clog pores, making it suitable for facial and body care.

Hair Serums & Conditioners – Provides smoothness, shine, and frizz control.
Skin Care Products – Used in lightweight moisturizers, serums, and primers.
Deodorants & Antiperspirants – Enhances dry and smooth application.
Makeup & Foundations – Improves spreadability and helps create a matte finish.
Sunscreens & Body Lotions – Allows for even application without a greasy feel.

Cyclomethicone is generally recognized as safe when used in appropriate concentrations. However, certain forms (like D4 and D5) have raised environmental concerns due to their persistence in the environment, leading some regions to impose restrictions on their use.

Cyclomethicone is typically well-tolerated by most skin types. However, individuals with sensitive skin may experience mild irritation, so a patch test is recommended before widespread use.

Cyclomethicone, especially D4 and D5, has been identified as a potential environmental pollutant due to its slow biodegradation. Many brands are shifting to alternative silicones that are more eco-friendly.

Yes, alternatives include:

Dimethicone – A non-volatile silicone with similar conditioning benefits.
Isoamyl Laurate – A plant-derived alternative providing a silky texture.
Squalane – A lightweight emollient that mimics natural skin oils.