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Bis-Stearyl Dimethicone is a cosmetic ingredient used in skincare formulas.
Summary
1 products tracked
Use this as orientation, not a prediction of individual tolerance.
May be useful for
The catalog does not link this ingredient to a skin type. Look at the whole product and how you will use it.
Who should be careful
The catalog does not say who should avoid this ingredient. It cannot judge a health need, pregnancy, or allergy.
An ingredient list confirms presence and order—not exact concentration, finished-formula performance, or personal comfort.
Provenance and review status are editorial metadata and are not published here — these are the records the profile is built from.
This is not medical advice. see methodology →
Official label names and chemical registry identifiers, with each available source kept explicit.
Claims, limitations, sources, and tracked research are kept together so the evidence can be checked in context.
What it does
The catalog calls its main role “film forming.” In plain language, it leaves a thin layer that can change feel, wear, or water loss. The catalog lists 2 other possible roles for this ingredient. These labels do not prove that it treats a skin condition.
Evidence strength
Benefits
Side effects
Related ingredients, common formula neighbors, naming, and catalog context—kept separate from evidence and personal-fit guidance.
Similar ingredients
related by documented function or concern
Bis-Stearyl Dimethicone is a cosmetic ingredient used in skincare formulas. The catalog calls its main role “film forming.” In plain language, it leaves a thin layer that can change feel, wear, or water loss. The catalog lists 2 other possible roles for this ingredient. These labels do not prove that it treats a skin condition.
Chemistry gives a clear reason these shouldn't feed Malassezia: mineral oil and petrolatum are saturated hydrocarbons with no ester bond for a lipase to hydrolyse and no fatty acid to release; silicones (dimethicone, cyclomethicone) aren't lipids in the sense the yeast metabolises; squalane's saturated backbone has no double bonds to oxidise the way squalene does. Malassezia is a lipid-dependent yeast that grows on specific fatty acids, so ingredients carrying no usable fatty acid fall outside what it can metabolise. This is reasoned from that chemistry rather than a dedicated study of each ingredient — a thinner evidence base than the flagged ingredients above, but a well-founded one.
Bis-Stearyl Dimethicone appears in 0% of the 7,058 decoded products in our catalog (1 product).
On Korean labels, Bis-Stearyl Dimethicone is listed as 비스-스테아릴다이메티콘.
1 public product lists this ingredient.
Compiled from the EU CosIng database (ref 54720) · snapshot 16 June 2026. The written profile above was human-reviewed; see its cited sources.