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Related Experiment Video

Updated: Jul 5, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

N Moulai-Mostefa1, A Hadj Sadok, N Berrayah

  • 1Institut Sciences de l'Ingénieur, Centre Universitaire Yahia Fares, Ain D'Heb, 26001 Médéa, Algeria. moulai.nadji@yahoo.fr

International Journal of Cosmetic Science
|May 23, 2008
PubMed
Summary
This summary is machine-generated.

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This study optimized a cold depilatory emulsion using calcium thioglycolate. An emulsifying polymer created a stable, effective depilatory cream with desirable rheological properties.

Area of Science:

  • Cosmetic Science
  • Formulation Chemistry
  • Rheology

Context:

  • Depilatory creams are widely used cosmetic products.
  • Optimizing formulation is key for product stability and efficacy.
  • Calcium thioglycolate is a common active ingredient in depilatories.

Purpose:

  • To optimize a cold formulation of a depilatory emulsion containing calcium thioglycolate.
  • To achieve characteristics similar to a reference product.
  • To utilize a cubic simplex method for efficient experimental design.

Summary:

  • A cubic simplex method was employed to optimize the depilatory emulsion formulation.
  • The rheological behavior of the creams followed the Herschel-Bulkley model.
  • Rheological measurements and stability tests confirmed that an emulsifying polymer yielded a stable and effective depilatory cream at high pH.

Related Experiment Videos

Last Updated: Jul 5, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

Impact:

  • Reduced and optimized the number of experiments required for formulation development.
  • Demonstrated the successful creation of a stable and effective depilatory cream.
  • Provided insights into the rheological properties and stability of depilatory emulsions.