Guar Hydroxypropyltrimonium Chloride
Cationic polymer derived from guar gum. Main conditioning agent in shampoos, shampoo-gels, and cleansing facial balms. Deposits on hair and skin during rinse-off and provides a soft after-feel. In cleansers it reduces the drying effect of anionic surfactants.
Evidence by route
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Conditioning effect in rinse-off products is well established. Functional component, no standalone active skin effect.
- Goddard ED. J Soc Cosmet Chem. 1990;41:23-49.
- Cosmetic Ingredient Review (CIR). Safety assessment of cationic guar polymers. 2021.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
Frequently asked questions
Is Guar Hydroxypropyltrimonium Chloride safe during pregnancy?
Guar Hydroxypropyltrimonium Chloride is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Guar Hydroxypropyltrimonium Chloride for?
Guar Hydroxypropyltrimonium Chloride suits: normal, dry, combination, sensitive.