Polyquaternium 39


Film-Forming Agent

No known benefits

Polyquaternium 39 at a glance

  • Synthetic polymer
  • An anti-static and film-forming agent + hair fixative
  • Used in cosmetics in concentrations up to 3% for both rinse-off and leave-on products
  • Ruled safe in its current usage
  • Clear, viscous liquid in its raw form

Polyquaternium 39 description

Polyquaternium-39 is a synthetic polymer used in both skin care and hair care products. It can serve multiple functions, including as an anti-static agent, film-forming agent, and hair fixative. Polyquaternium-39 is used in cosmetics in concentrations up to 3% for both rinse-off and leave-on products. The independent Cosmetic Ingredient Review has ruled polyquaternium-39 safe in its current usage, where it determined in the amounts used in cosmetics it was nontoxic and non-irritating. In its raw form, polyquaternium-39 is a clear, viscous liquid.

Polyquaternium 39 references

  • International Journal of Toxicology, December 2016, ePublication
  • UL Prospector (supplier), Accessed December 2022, ePublication

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.


We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not rated

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