Characteristics
- INCI
- Cyclohexasiloxane
- CAS
-
540-97-6
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
208-762-8
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- Dodecamethylcyclohexasiloxane
- Functions
- emollient, hair conditioning, skin conditioning, solvent
Who it's for
Description
If you’ve ever wondered how a product can feel almost weightless, silky, and somehow a little bit fancy without leaving your skin greasy, this is one of the behind-the-scenes ingredients making that happen. Cyclohexasiloxane is a volatile silicone, which means it helps a formula glide on beautifully and then evaporates from the skin rather than sticking around like a heavy oil. That makes it especially popular in products where a smooth finish matters, like primers, foundations, serums, hair products, and those slippery-feeling body lotions that seem to disappear into your skin in record time.
Its main talent is texture. Cyclohexasiloxane spreads like a dream, so a little can help a product cover more evenly and feel less tacky, less oily, and much less draggy. It can also make powders and pigments behave better in makeup, helping them blend more evenly and feel softer on the skin. Because it doesn’t leave a greasy residue, it’s often used when formulators want that dry-touch, silky finish that makes you think, “Ooh, this feels expensive.”
From a skin-care point of view, it’s not really a treatment ingredient in the way glycerin or niacinamide are. It doesn’t hydrate skin by itself, but it can help other ingredients and the overall formula feel more elegant and comfortable to use. That matters, because if a moisturizer or sunscreen feels nice, you’re a lot more likely to actually use it. And yes, this ingredient has sparked environmental discussion because some volatile silicones can persist in the environment, so brands are increasingly paying attention to how and where they use them.
For most people, cyclohexasiloxane is mainly about sensory performance: smooth application, a silky after-feel, and no heavy, greasy aftermath. If your skin loves lightweight products, you’ll probably get along just fine with it. If you’re very sensitive to fragrance-like slip or prefer to avoid volatile silicones for personal or environmental reasons, you may want to check labels a little more carefully. Otherwise, this is one of those quiet formula helpers that doesn’t shout for attention but makes everything else behave better.
More detail
A light-feeling, volatile (meaning it does not absorb into the skin but evaporates from it) silicone that gives skin a unique, silky and non-greasy feel. It has excellent spreading properties and leaves no oily residue or build-up.
Products with Cyclohexasiloxane (4 604 total)
Most often found in L'Oreal products (76 items)