Hydroxypropyl Guar Hydroxypropyltrimonium Chloride ●
TL;DR. This ingredient is a cationic conditioning polymer used mainly in shampoos, conditioners, and washes to improve slip, combability, softness, and hair feel. It can also help stabilize foam and adjust viscosity in surfactant systems.
What does Hydroxypropyl Guar Hydroxypropyltrimonium Chloride do in a cosmetic formula?
This ingredient is a cationic conditioning polymer used mainly in shampoos, conditioners, and washes to improve slip, combability, softness, and hair feel. It can also help stabilize foam and adjust viscosity in surfactant systems.
Is Hydroxypropyl Guar Hydroxypropyltrimonium Chloride clean?
From a clean standards perspective, this ingredient is generally accepted as a mild conditioning polymer, with low sensitization concern when residual processing reagents are controlled. The main scrutiny is its quaternary ammonium modification and possible trace residues, not routine irritation at normal use levels.
Is Hydroxypropyl Guar Hydroxypropyltrimonium Chloride sustainable?
It starts from a renewable seed-gum polysaccharide, then is chemically modified with petrochemical-derived reagents to add positive charge. It is generally more biodegradable than fully synthetic conditioning polymers, but its cationic nature can increase aquatic-impact scrutiny.
Is Hydroxypropyl Guar Hydroxypropyltrimonium Chloride COSMOS-approved?
It may be permitted in COSMOS-natural only when the grade meets requirements for chemically modified natural polymers and residual reagents are within limits; it is not a straightforward COSMOS-organic fit. Green Chemistry alignment is mixed: renewable backbone and water-based functionality are positives, while quaternization chemistry and residue control are the tradeoffs.
How does Hydroxypropyl Guar Hydroxypropyltrimonium Chloride work chemically?
The molecule is a high-molecular-weight, water-soluble polysaccharide ether bearing cationic sites, which helps it adsorb onto negatively charged hair and skin surfaces. Typical use levels are about 0.05% to 0.5%, and it is commonly hydrated in water before surfactants or salts are added to prevent clumping and preserve viscosity.
Last updated 2026-05-13