Sodium Lauryl Sulfoacetate SLSA Manufacturer

News

» News

BTMS-25 Behentrimonium Methosulfate: The Complete Guide for Hair Care Brands and Cosmetic Formulators

2025-08-07

BTMS-25 Behentrimonium Methosulfate: The Essential Conditioning Emulsifier for Modern Hair Care Formulations

The global hair care industry is experiencing a major shift toward mild, effective, and multifunctional cosmetic ingredients. From premium conditioners to solid conditioner bars, cosmetic brands are continuously searching for ingredients that deliver superior sensory performance while meeting the growing demand for clean beauty formulations.

Among professional hair care ingredients, BTMS-25 (Behentrimonium Methosulfate and Cetearyl Alcohol) has become one of the most widely recognized cationic conditioning emulsifiers for creating smooth, elegant, and high-performance hair care products.

For cosmetic brands, OEM manufacturers, and formulation developers looking for a reliable BTMS-25 supplier, understanding the ingredient properties, applications, and sourcing considerations is essential.


What Is BTMS-25?

BTMS-25 is a cosmetic-grade conditioning emulsifier commonly used in hair care formulations.

INCI Name:

Behentrimonium Methosulfate (and) Cetearyl Alcohol

CAS No.: 81646-13-1 / 67762-27-0

BTMS-25 consists mainly of:

  • Behentrimonium Methosulfate: ≥25%
  • Cetearyl Alcohol: 73–77%

It is supplied in a convenient white to off-white flake form, making it suitable for industrial cosmetic formulation and manufacturing processes.

Unlike cleansing surfactants such as SLS or SLES, BTMS-25 is not used for cleaning. Instead, it works as a conditioning and emulsifying ingredient that improves hair feel, texture, and formulation stability.


Why Is BTMS-25 Popular in Hair Care Formulations?

1. Excellent Hair Conditioning Performance

Hair becomes negatively charged after washing, which can cause:

  • Static electricity
  • Tangling
  • Rough texture
  • Difficult combing

As a cationic conditioning agent, BTMS-25 helps improve hair manageability by creating a smooth conditioning effect.

Benefits include:

✔ Improved wet and dry combability
✔ Reduced static electricity
✔ Softer hair feel
✔ Enhanced smoothness
✔ Better sensory performance

This makes BTMS-25 an important ingredient for:

  • Hair conditioners
  • Hair masks
  • Leave-in treatments
  • Repair products

2. Dual Function: Conditioning Agent + Emulsifier

One of the key advantages of BTMS-25 is its multifunctionality.

Besides conditioning properties, it also provides:

Excellent emulsifying performance

Helping formulators create:

  • Stable cream systems
  • Smooth textures
  • Rich conditioning products

Thickening support

BTMS-25 contributes to:

  • Improved viscosity
  • Better product appearance
  • Premium sensory experience

For cosmetic formulators, this means fewer ingredients may be needed to achieve the desired product texture.


3. Ideal Ingredient for Clean Beauty Hair Care

The clean beauty market continues to expand globally, especially in:

  • Europe
  • North America
  • Australia

Consumers increasingly prefer:

  • Mild hair care products
  • Sulfate-free formulations
  • Plant-derived ingredients
  • Sustainable beauty concepts

BTMS-25 is widely selected for modern hair care formulations because of its:

✔ Vegetable-based origin
✔ Mild conditioning properties
✔ Excellent formulation compatibility


Common Applications of BTMS-25

Hair Conditioners

BTMS-25 is one of the most common ingredients in:

  • Daily conditioners
  • Moisturizing conditioners
  • Repair conditioners

Typical dosage:

1–2%


Hair Masks and Treatment Products

For intensive hair care products, BTMS-25 helps provide:

  • Rich texture
  • Smooth application
  • Improved hair feel

Common applications:

  • Deep conditioning masks
  • Damaged hair treatments
  • Salon care products

Hair Styling Products

BTMS-25 can also be used in:

  • Hair creams
  • Styling products
  • Anti-frizz formulations

Typical dosage:

4–5%


Conditioner Bars and Solid Hair Care

With the rapid growth of plastic-free beauty products, solid conditioner bars have become an emerging category.

BTMS-25 is widely considered by formulators developing:

  • Conditioner bars
  • Zero-waste hair products
  • Sustainable beauty products

BTMS-25 Technical Specifications

Item Specification
INCI Name Behentrimonium Methosulfate (and) Cetearyl Alcohol
CAS No. 81646-13-1
Appearance White to off-white flakes
Behentrimonium Methosulfate ≥25%
Cetearyl Alcohol 73–77%
pH (1.0 wt% Isopropanol solution) 6–8
Free Amine <0.8%

Compatibility and Formulation Advantages

BTMS-25 offers:

✔ Good compatibility with cationic surfactants
✔ Good compatibility with nonionic surfactants
✔ Excellent chemical stability
✔ Good resistance to heat, light and pressure
✔ Stable performance under suitable formulation conditions

The product remains stable below 120°C with a softening point around 50°C, supporting various cosmetic processing methods.


What Should Buyers Consider When Sourcing BTMS-25?

Professional cosmetic buyers usually evaluate several important factors:

1. Product Specification Consistency

Reliable suppliers should provide:

  • Clear technical specifications
  • Batch information
  • Quality documentation

2. Complete Technical Documents

For cosmetic registration and formulation evaluation, buyers commonly require:

  • TDS
  • SDS
  • COA
  • Composition information

3. Reliable Supply Support

For brands and manufacturers, a professional supply partner should support:

  • Sample evaluation
  • Small trial orders
  • Bulk purchasing
  • Export coordination

BTMS-25 Packaging and Storage

Standard packaging:

25kg carton drum with inner PE bag

Storage recommendations:

  • Keep container sealed
  • Store in a dry environment
  • Avoid excessive moisture

Shelf life:

24 months under recommended storage conditions


Reliable BTMS-25 Cosmetic Ingredient Sourcing Partner

We support global customers in sourcing cosmetic-grade BTMS-25 Behentrimonium Methosulfate flakes for:

  • Hair care brands
  • Cosmetic manufacturers
  • OEM/ODM companies
  • Cosmetic ingredient distributors

Our support includes:

✔ Product sourcing assistance
✔ Technical document support
✔ Export coordination
✔ Bulk supply solutions

If you are searching for a reliable BTMS-25 supplier, BTMS flakes supplier, or hair care raw material sourcing partner, please contact us for specifications, samples, and quotation.

Maybe you like also