Ingredient · Cationic Conditioner
Cetrimonium Chloride
INCI · Cetrimonium Chloride
Cetrimonium Chloride (INCI: Cetrimonium Chloride) is a long-established cationic, positively charged conditioning agent and surfactant in hair care. Chemically, it is a quaternary ammonium compound with a cetyl group. Like other quat conditioners, it works electrostatically: hair's keratin surface is negatively charged, and Cetrimonium Chloride's positive charge binds to it, leaving a thin conditioning layer. Practical results are less static, easier combing, cuticle smoothness and a soft, shiny appearance. It works with a lighter feel than rich, creamy conditioners such as BTMS, so appears across shampoos, rinse-out conditioners, sprays and styling products. Some formulas also use it as a mild emulsifier or cleansing helper. Cosmetic ingredient assessment groups (CIR) have considered relatively high doses, up to ~10%, in rinse-off products and lower doses, ~0.25-1%, in leave-on products within their evaluations. Labels show 'Cetrimonium Chloride'; as a defined compound, it has database records. Klaris considers it alongside product type and the complete formula.
i. Cosmetic Functions
Frequently Discussed Effects
The following headings summarise areas of effect frequently discussed in the literature; visible results in each area require regular use and a suitable formula.
Antistatic Effects and Detangling
Its positive charge adheres to hair, reducing static and easing combing.
Cuticle Smoothness
Supports a softer, shinier appearance by smoothing the strand surface.
Formula Support
Also takes a mild cleansing or supporting emulsifier role in some formulas.
Mechanism
What Happens Within the Skin?
The following points summarise mechanisms from dermocosmetic literature in plain English. Klaris presents them as background information to help readers understand the context, not as medical claims.
Step 1
Cationic Binding
Its positively charged quaternary ammonium structure binds electrostatically to hair's negatively charged keratin surface.
Step 2
Antistatic Effects and Smoothness
A thin layer on the strand provides reduced static, detangling and cuticle smoothness.
Step 3
A Versatile Role
Beyond conditioning, some formulas also use it as an emulsifier or cleansing helper.
ii. Role in the Formula
How Is It Read on a Label?
Cetrimonium Chloride is a quaternary ammonium compound and cationic surfactant. Its positive charge binds to the negatively charged keratin surface of hair. It serves as an antistatic and conditioning agent in shampoos, conditioners and styling products, and can also be an emulsifier. Cosmetic ingredient assessment groups (CIR) have considered higher doses in rinse-off products and lower doses in leave-on products within their evaluations.
Typical Concentration Range
Up to ~10% in rinse-off products; ~0.25-1% in leave-on products (CIR context)
Ingredient Family
Conditioning Ingredients
iii. Sensitivity Advisory
A Note on Extra Care in Context
Generally a well-tolerated conditioning agent. High-dose leave-on products may warrant extra care for some sensitive profiles; a dose appropriate to product type is assessed in context.
A sensitivity advisory is not an instruction for use; where individual health circumstances, pregnancy or known sensitivities are involved, discussing the decision with your doctor may be a more contextual approach.
Scientific Basis
Sources and Their Scope
The following headings indicate areas of research; they are not citations of a specific publication or confirmation that every statement on this page has been verified. The links provided should be read with their individual scope in mind.
- International INCI / CosIng database
- Formulation chemistry guides
- Cosmetic ingredient safety assessment groups
Starting Points for Independent Research
These links lead to official databases and serve as starting points for searches.
iv. Related Ingredients
Ingredients Often Read Together
v. Conditioning Ingredients Family
Other Ingredients in the Same Family
Explore ingredients in the same functional family to deepen your reading of formulas.
vi. Academy · Related Reading
For a Closer Look
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The oil-balance axis: oily and dry roots, the context of washing, key ingredients and the medical boundary for dandruff and hair loss.
Klaris · Example Analyses
How Does Cetrimonium Chloride Feature
in Your Products?
Explore product examples to see the ingredient list, general assessment and match score that changes with the example profile together.
Masked products and example profiles, not a personal analysis. Profile matching in the app is part of Klaris Premium. The app is currently available in Turkish. An English version is in preparation.