Guar Hydroxypropyltrimonium Chloride


Texture enhancer

Guar Hydroxypropyltrimonium Chloride description

Guar hydroxypropyltrimonium chloride, one of the most widely used synthetic cationic polymers in the cosmetics industry, is an ingredient that’s often seen in conditioners and body washes. It functions as a conditioning agent for skin and hair, helps deposit active ingredients on skin and/or hair, and also provides anti-static properties without weighing hair down.

Guar Hydroxypropyltrimonium Chloride references

  •, Accessed March 2021, ePublication
  • Cosmetics & Toiletries, March 2013, ePublication
  • Cosmetic Ingredient Review, March 2012, pages 1-43

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.