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BTMS-25 is a conditioning emulsifier blend composed of behentrimonium methosulfate and cetearyl alcohol. It is widely used in hair care and skincare formulations for its excellent conditioning properties. BTMS-25 imparts a soft, silky feel to hair and skin, enhances detangling, and improves the manageability of hair. This versatile ingredient is often used in hair conditioners, leave-in treatments, hair masks, lotions, creams, and other personal care products.

INCI: Behentrimonium Methosulfate and Cetearyl Alcohol

CAS: 81646-13-1, 67762-27-0


  • Appearance: White to off-white flakes or pastilles
  • Active Content: ≥ 25%
  • Melting Point: 55 - 65°C
  • pH (5% Solution): 5.0 - 7.0
  • Acid Value: ≤ 2 mg KOH/g
  • Saponification Value: 370 - 410 mg KOH/g
  • Heavy Metals (as Pb): ≤ 10 ppm
  • Microbial Purity: Complies with cosmetic industry standards


  • Hair Care: Conditioners, hair masks, leave-in treatments, hair styling products
  • Skin Care: Lotions, creams, body butters, moisturizers, emulsions
  • Baby Care: Gentle shampoos, baby lotions, diaper creams
  • Pet Care: Pet shampoos, conditioners, grooming products

Usage Recommendations:

  • Typical Usage Level: 1 - 10% in formulations
  • Incorporate BTMS-25 into the oil phase of formulations and heat to melt before emulsification.

Features and Benefits:

  • Excellent conditioning properties for both hair and skin
  • Enhances detangling and improves manageability
  • Imparts a soft, silky feel without greasiness
  • Provides emulsification and stabilization of formulations
  • Compatible with a wide range of cosmetic ingredients

Store in a cool, dry place away from direct sunlight. Keep containers tightly closed when not in use.

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