Dimethicone
OcclusiveAlso known as: Silicone, Polydimethylsiloxane, PDMS
A silicone-based polymer that creates a breathable, protective barrier on the skin surface. One of the most common ingredients in skincare and cosmetics.
Routine placement
Moisturizer · PM
Time to results
Immediate moisture lock; 1-2 weeks for improved dryness
Locks in moisture, smooths skin texture, protects skin barrier, non-comedogenic, creates smooth base for makeup, reduces transepidermal water loss.
Apply as part of moisturizer or primer. Creates a smooth, protective layer. Suitable for morning and evening use.
Extensive safety data. FDA-approved skin protectant. Studies confirm occlusive properties that reduce TEWL without completely blocking skin respiration.
Cautions
Generally well tolerated. Some individuals report clogged pores despite non-comedogenic classification. May create product buildup if not cleansed properly.
What does Dimethicone do for skin?
Dimethicone is used in skincare primarily as a occlusive ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.
Is Dimethicone safe for sensitive skin?
Dimethicone is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.
Can I use Dimethicone every day?
For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.
Will Dimethicone clog pores?
Comedogenicity varies. If you are acne-prone, patch test on a small area first. Many oils and emollients are non-comedogenic at appropriate concentrations.
Does your skincare contain Dimethicone?
Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.
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