Ingredient
Cyclohexasiloxane
D6
Cyclomethicone D6
Decamethylcyclopentasiloxane (D6 is a hexamer) — strictly Decamethylcyclopentasiloxane is D5; D6 = Dodecamethylcyclohexasiloxane
What it is
A cyclic silicone (a cyclic dimethylpolysiloxane) with six silicon-oxygen units, used as a volatile carrier that evaporates from the skin, leaving a silky, non-greasy feel.
How it works
It spreads easily across the skin, delivering other ingredients and then mostly evaporating, reducing the sticky or wet feel of heavier emollients.
What it does
Emollient
Solvent
Skin conditioning
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.