Hydroxypropyltrimonium Rice Protein ●
TL;DR. This ingredient is a cationic conditioning agent and film-former, mainly used in hair care to improve combability, reduce static, and add a light coated feel. It can also support a smoother skin feel in rinse-off or leave-on formulas.
What does Hydroxypropyltrimonium Rice Protein do in a cosmetic formula?
This ingredient is a cationic conditioning agent and film-former, mainly used in hair care to improve combability, reduce static, and add a light coated feel. It can also support a smoother skin feel in rinse-off or leave-on formulas.
Is Hydroxypropyltrimonium Rice Protein clean?
From a clean-beauty perspective, it is generally acceptable but not friction-free because it is chemically modified and cationic. Sensitivity is uncommon, though it-derived materials can be relevant for users with specific ingredient sensitivities.
Is Hydroxypropyltrimonium Rice Protein sustainable?
This material is partly plant-derived, with the it fraction coming from an agricultural crop. Its cationic modification improves performance but can reduce biodegradability compared with unmodified proteins, so its environmental profile is more mixed than simple plant extracts or oils.
Is Hydroxypropyltrimonium Rice Protein COSMOS-approved?
It may be allowed in COSMOS-natural formulations when the supplier’s manufacturing route, reactants, and documentation meet the standard, but it is not a simple COSMOS-organic ingredient. Its Green Chemistry fit is moderate, with renewable content on one side and additional chemical modification on the other.
How does Hydroxypropyltrimonium Rice Protein work chemically?
The molecule is a cationically modified it derivative, so its positive charge helps it bind to the negatively charged surface of hair and damaged fiber sites. It is typically used at low levels in conditioning systems, and formulators need to manage compatibility with strongly anionic ingredients, salt load, and pH-dependent formula clarity.
Last updated 2026-05-13