Stearyl Dimethicone
A waxy silicone. It smooths skin and gives creams a soft texture. Well tolerated.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Stearyl dimethicone (INCI Stearyl Dimethicone) is a waxy silicone, solid at room temperature. In formulas it gives a soft, velvety texture, improves slip, and leaves a thin film on the skin that smooths the feel and helps reduce water loss. It works as a functional texture and emollient component, not as a treating active. It improves the use experience and product finish more than it changes the skin over the long term. It handles that sensory role and light occlusion well. Topically it has no systemic relevance, so it can be used during pregnancy and breastfeeding. Tolerance is good: low irritation and low allergy risk. Its comedogenicity is very low (rating 1), so it is rarely a problem; still, on very oily or acne-prone skin it is worth watching how the skin responds to formulas rich in this kind of silicone.
Frequently asked questions
Is Stearyl Dimethicone safe during pregnancy?
Stearyl Dimethicone is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Stearyl Dimethicone for?
Stearyl Dimethicone suits: normal, dry, combination, oily, sensitive.
What is Stearyl Dimethicone and what does it do in cosmetics?
A waxy silicone.
Is Stearyl Dimethicone comedogenic?
On the Fulton scale 1/5 – very low comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
What's the INCI name for Stearyl Dimethicone?
The INCI name is Stearyl Dimethicone.
See Stearyl Dimethicone in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
Other functional ingredients
Stearyl Stearate, Strontium Hydroxide, Sucrose Cocoate, Sucrose Dilaurate, C30-45 Olefin, Ethyl Acetate, Octyldodeceth-16, Polysorbate 21
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