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Characterizing Cosmetic Serums

Cosmetics Protocol

Serums are a popular self-care product to keep skin healthy. Formulation ingredients can vary dramatically. Some serums use plant-derived ingredients while others use synthetic oils depending on consumer preferences and needs.

Thus, serum development is a dynamic process requiring a plethora of characterization experiments to differentiate between formulations.

Here we demonstrate that the automated viscometer system, VROC® initium, can perform rate sweeps experiments to characterize different serum formulations based on their rheological properties with minimal engagement.

1. What is thixotropic material?

Thixotropic materials are non-Newtonian fluids with high yield stress. This means that the samples can shear thin when enough shear stress has been applied. Over time, the materials will slowly return to their high viscosity state when shearing has ceased. 

2. Can RheoSense viscometers thixotropic materials?

Yes! VROC technology can handle thixotropic samples. 

About the Viscometer

Learn more about the automated viscometer that compliments Clariti™, VROC® initium.

  • 26 µL of Sampleinitium (no bdg)
  • Sample Retrieval 
  • Sample Recovery
  • Measurement temperatures 4 - 70 ºC
  • Sample storage temperature
  • Intrinsic Viscosity
  • Injectability
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