Database/Hair Conditioning/Bis-PEG-20 Dimethicone
100% petroleum · ISO 16128

Is Bis-PEG-20 Dimethicone natural?

No. Both the silicone backbone and PEG end-caps are zero-value fragments under this site's convention and.

INCI nameBis-PEG-20 Dimethicone
FunctionHair Conditioning · Skin Conditioning
FeedstockSynthesised from a petrochemically-processed siloxane reacted with ethylene-oxide…

How we scored it

Dimethicone backbone (silicone, this site's 0.0 convention) end-capped with PEG-20 (ethylene oxide, petrochemical, 0.0); total 0.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Synthesised from a petrochemically-processed siloxane reacted with ethylene-oxide end-caps. Scored 0.0 under the site's blanket silicone convention.

In plain English

A silicone-based conditioning ingredient, modified to be water-dispersible, used to smooth hair and skin.

CosIng definition: Definition: Bis-PEG-20 Dimethicone is the siloxane polymer that conforms generally to the formula:

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References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2BIS-PEG-20 DIMETHICONE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3BIS-PEG-20 DIMETHICONE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=BIS-PEG-20%20DIMETHICONE