Ingredient

Cetrimonium Chloride

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What is Cetrimonium Chloride?

Cetrimonium Chloride is a quaternary ammonium compound used in personal care products, particularly in hair care. It is typically synthesized in a laboratory by reacting cetyl alcohol with ammonium chloride, resulting in a substance that is effective in conditioning hair.

It is used in shampoos and conditioners for its ability to reduce static and improve the overall feel and manageability of hair. Some studies indicate it can be irritating to the skin for some people, but generally, it's considered safe in small concentrations.

When seen on a label, it indicates the product is formulated to condition and detangle hair, often providing a smoother texture and less frizz.

Commonly found in: shampoos, conditioners, hair masks

What to watch

  • Cetrimonium Chloride can cause skin irritation in sensitive individuals.
  • The ingredient has potential for bioaccumulation in aquatic environments.

Benefits

  • Improves the manageability and smoothness of hair in conditioners and shampoos.
FDA

Cetrimonium Chloride is allowed for use in cosmetics at concentrations up to 0.1%, without specific restrictions.

Research

Research shows it is effective as a conditioning agent, though some studies note potential skin irritation at higher concentrations.

Vegan

Cetrimonium Chloride is synthetic and not derived from animal products, making it suitable for vegan use.

Sources: Cosmetic Ingredient Review

Scout's take

Second petroleum-derived dirty quat in the same formula. EWG 4-5. Stacked with behentrimonium chloride for extra conditioning at the cost of compounded irritation potential.

More from Scout's analyses

Petroleum-derived dirty quat cationic conditioner. EWG 4-5. Frequently stacked with Behentrimonium Chloride in conventional formulas.

from the analysis of TRESemmé Keratin Smooth Conditioner

Petroleum-derived dirty quat cationic conditioner. EWG 4-5. The same quat used in the Elvive conditioner.

from the analysis of CeraVe Anti-Dandruff Hydrating Shampoo

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