What is polyquaternium-10?

It's a cationic polymer used in hair care products to condition and detangle hair. It reduces frizz and improves shine.

Does polyquaternium-10 damage hair?

Regulatory reviews have not identified safety concerns with this ingredient. Some users report build-up with repeated use, which is a texture preference rather than a safety issue.

surfactant · emollient

Polyquaternium-10

Generally safe·Strong evidence

A polymer of quaternary ammonium compounds widely used as a conditioning and antistatic agent in hair products. It is well established in cosmetic formulations with a strong safety record in rinse-off applications.

Questions

What is polyquaternium-10?: It's a cationic polymer used in hair care products to condition and detangle hair. It reduces frizz and improves shine.
Does polyquaternium-10 damage hair?: Regulatory reviews have not identified safety concerns with this ingredient. Some users report build-up with repeated use, which is a texture preference rather than a safety issue.

Products with Polyquaternium-10

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.