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ACULYN™ U Rheology Modifier

An efficient thickener for a wide array of sulfate-free formulations

Dow introduces ACULYN™ U Rheology Modifier, an extremely versatile and affordable ingredient for personal care applications. ACULYN™ U Rheology Modifier was specifically developed for hair and skin care applications. Examples include body washes or shower gels and crystal clear hair or skin care gels to shampoos, make up creams or sunscreen lotions. ACULYN™ U Rheology Modifier is an efficient thickener with unique ease of use, wide compatibility and cost effectiveness for an ever-increasing breadth of personal care applications.




  • INCI Name: Acrylates / Beheneth-25 Methacrylate Copolymer
  • Appearance: Milky liquid
  • Chemistry: HASE polymer
  • Mechanism: Associative, Non-Associative
  • Ionic Nature: anionic
  • Solid: 30 %




  • Hair care
  • Skin care
  • Sun care



ACULYN™ U Rheology Modifier Formulation Benefits: 

  • Mild, soft, non-greasy, non-sticky, provides a refreshing watery feel
  • Highly efficient to build apparent viscosity and excellent clarity at low pH
  • Does not promote or support contamination, unlike natural thickeners
  • Supported by comprehensive environmental, health and safety data
  • Excellent polymeric emulsifier
  • Broad pH range stability and compatibility profile
  • Clarity of solutions*

ACULYN™ U Rheology Modifier Skin Care Formulation Benefits: 

  • Sensory Enhancer (light feel)
  • Texture Enhancer

ACULYN™ U Rheology Modifier Hair Care Formulation Benefits: 

  • Clear Systems
  • Texture Enhancer

ACULYN™ U Rheology Modifier Sun Care Formulation Benefits: 

  • Emulsifier-free formulations

Figure 1 Anionic ACULYN™ U Rheology Modifiers use as emulsifier in surfactant-free system

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