INCI name

CYCLOHEXASILOXANE

Cyclohexasiloxane (D6)

A volatile cyclic silicone used as a solvent and emollient.

What it is

Cyclohexasiloxane is a cyclic silicone with six silicon–oxygen units, often abbreviated D6. CosIng lists it as emollient, hair conditioning and solvent.

Where it is used

Found in hair serums, antiperspirants, foundations, primers and other products that need a light, spreadable texture.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Cyclic siloxanes are also regulated under EU chemicals legislation (REACH); the label does not show the amount used.

Functions

Skin conditioning – emollient
Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
Hair conditioning
Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
Solvent
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (99)

Check a full ingredient list