INCI Name
Behentrimonium Methosulfate (and) Cetearyl Alcohol
BTMS-25 is a mild, cationic conditioning emulsifier widely used in hair care and skincare formulations. It is especially valued for its excellent detangling, softening, and conditioning properties, making it a staple ingredient in conditioners, creams, and lotions.
BTMS-25 helps create stable emulsions while leaving a smooth, silky, and non-greasy feel on skin and hair. Its positive charge allows it to bind effectively to hair and skin, improving manageability, softness, and overall appearance.
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Benefits in Hair Care
Provides excellent conditioning and detangling
Improves hair softness, smoothness, and manageability
Helps reduce frizz and flyaways
Enhances shine and combability
Ideal for dry, damaged, curly, or chemically treated hair
Benefits in Skin Care
Acts as a conditioning and emulsifying agent
Leaves skin soft, smooth, and well conditioned
Helps improve the texture and sensory feel of creams and lotions
Suitable for body lotions, creams, and balms
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Common Applications
Hair Care:
Rinse-off and leave-in conditioners
Hair masks and treatments
Cream-based styling products
Skin Care:
Creams and lotions
Body butters
Conditioning balms
Usage Rate
Hair care: 2–10% (typical conditioners: 3–6%)
Skin care: 1–5%
Used as a primary or co-emulsifier
Note:
Solubility:Oil-soluble
Add to the heated oil phase (70–75°C)
Not compatible with anionic surfactants
Ideal for emulsions with a rich, creamy texture
Appearance; Commonly supplied in pellet or flake form.
Storage;
Store in a cool, dry place
Keep container tightly closed
Protect from moisture and direct heat
Shelf life is typically 2–3 years when stored properly.




