Isopropyl Isostearate



Isopropyl Isostearate description

The ester of isopropyl alcohol and isostearic acid. It is used as a skin-softening agent and emollient in cosmetics products, retaining none of the sensitising potential pure isopropyl alcohol has.

Isopropyl Isostearate references

  • International Journal of Toxicology, January/February 1992, issue 1, pages 43-49

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.