Whether you are a cosmetic manufacturer and or a personal care producer you must undergo a stability testing procedure to test the aesthetics, functionality, microbial quality and package compatibility of your product. QACS  cosmetic stability testing complies with GMP requirements.

Raw materials, new formulations, final products and new packaging can be tested with custom or standard stability evaluation services. With plug-in stability chambers that can accumulate tailor conditions of temperature and humidity, we simulate intended transport, storage and use conditions. Our cosmetic stability studies assist you with Stability, Compatibility and Storage space solutions.

  • Real Time
  • Accelerated
  • Freeze-thaw cycles
  • Thermal stability
  • Photostability ICH Q1B
  • Light
  • 5°C

  • Custom time intervals, custom humidity, custom temperature according to stability project needs
  • 25°C / 60% RH
  • 40°C / 75% RH
  • 35 °C / 75% RH
  • 30°C / 65% RH

In our tests we take into account the latest guidelines on stability testing:

  • ICH Topic QStability Testing of new Drug Substances and Products
  • Regulation (EC) No 1223/2009
  • Guidelines on Stability Testing of Cosmetics – Colipa-CTFA, 2004
  • Fundamentals of Stability Testing (IFSCC Monograph No.2)

  • Cosmetic / Personal care product development
  • Reformulation of remarketed products
  • Modification of production methods
  • Manufacturing site shift
  • Alteration of container type or material

Our Stability, Stability Storage, Compatibility includes:

  • Stability
  • Package Compatibility
  • Storage Only
  • Shelf life
  • PAO-Period After Opening
  • Functionality & Aesthetics
  • Sensorial properties-Appearance, color, odor, texture
  • Chemical properties -Viscocity, color, odor/fragrance, pH, weight, ingredients, UV filters, heavy metals, assay of preservatives
  • Microbial properties-Microbial count & preservation efficacy test

QACS ensures safety and quality in cosmetic and personal care products with stability testing. For more information on Stability, Stability Storage or Compatibility contact us here  email us at or give us a call at + (30) 210 29 34745.

Have a question? We can help find an answer

Fill in our contact form below to request our price list and find out how our QACS Laboratory team can help you.