Babassuamidopropyltrimonium Methosulfate

What is Babassuamidopropyltrimonium Methosulfate?

Babassuamidopropyltrimonium Methosulfate is a quaternary ammonium salt derived from babassu oil, sourced from the kernels of the babassu palm tree (Attalea speciosa), which grows in tropical South America. This ingredient features an amidopropyl chain linked to a trimethylammonium methosulfate group, classifying it as a cationic surfactant. It appears mainly in hair care items such as shampoos, conditioners, detanglers, and leave-in treatments. In formulations, it functions through electrostatic attraction: its positive charge binds to the negatively charged hair keratin, forming a protective film that minimizes static buildup, smooths cuticles, and eases combing. As a surfactant, it reduces surface tension for effective yet mild cleansing. Its emulsifying action helps blend oils and water, ensuring product stability and even application without separation.

Comedogenic Rating 0/5 Low risk of clogging pores

EWG Safety Rating 3 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Antistatic agent

Reduces static electricity and flyaways by improving surface conductivity, enhancing hair manageability and smoothness in conditioners and styling products.

Hair conditioning

Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.

Surfactant

Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.

Emulsifying agent

Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.

Benefits

Reduces static electricity for smoother, more manageable hair.

Improves hair softness and shine by coating strands and lowering friction.

Supports gentle cleansing and emulsification in rinse-off products.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit	Who Should Avoid
People with dry, frizzy, or flyaway-prone hair.	Those with allergies to babassu or palm-derived components.
Users preferring plant-based conditioning ingredients.	People sensitive to quaternary ammonium compounds.
Individuals using frequent hair washing routines.	Users avoiding cationic surfactants in formulations.

Safety Notes

Considered low hazard overall with limited concerns for use.
Non-comedogenic, unlikely to clog pores on skin or scalp.

Frequently Asked Questions about Babassuamidopropyltrimonium Methosulfate

What products contain Babassuamidopropyltrimonium Methosulfate?

Commonly found in shampoos, conditioners, and hair detangling sprays for conditioning effects.

Is it suitable for sensitive scalps?

Generally low irritation potential, but patch test if prone to reactions to quats.

How does it differ from synthetic conditioners?

Derived from babassu oil, offering a natural cationic alternative for hair care.