What it does
- Gives a silky, smooth, non-greasy slip.
- Forms a breathable occlusive film that helps reduce water loss.
- Improves spreadability, blurs texture and protects skin.
How it works
Dimethicone is a well-documented, inert silicone that spreads easily, leaves a smooth finish and forms a breathable film. It is a recognised skin protectant and is prized for elegant sensory feel in moisturisers, primers and hair products.
Use level
- Typical use level
- typically 1–15%
Commonly used at 1–15% depending on the desired feel and protection.
Formulation considerations
- Oil/silicone phase; broadly compatible.
- Very stable and inert.
- Different viscosity grades give different feels.
What it pairs with & what to avoid
Pairs well with
- Emollients and humectants
- Hair-conditioning systems
Use with care / avoid
- No notable incompatibilities
Regulatory status
Dimethicone is listed in the EU CosIng database and is a long-established, well-tolerated cosmetic ingredient.
Common questions
What does dimethicone do?
It gives a silky slip, forms a breathable protective film that reduces water loss, and smooths texture.
Is dimethicone bad for skin?
It is inert, non-comedogenic-leaning and a recognised skin protectant; it is widely used and well tolerated.
What percentage of dimethicone is used?
Commonly 1–15%.