01The question
Is Guar Hydroxypropyltrimonium Chloride safe in body lotion?
ClearedBody lotion
A plant-derived quaternary ammonium compound from guar gum. Approved by the CIR with a low hazard rating. Non-irritating, non-sensitizing, and biodegradable. Conditions hair and skin at typical concentrations of 0.1–1%.
02What the research flags
- Quaternary ammonium compounds can irritate mucous membranes at high concentrations — well below threshold at typical cosmetic use
03Other body lotion ingredients on file
04Sources & references
Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific body lotion product. This is not medical advice.