Mérieux NutriSciences - physicochem quality control

Our ISO-accredited labs perform a wide range of chemical and physical analyses of cosmetic products in accordance with ICH guidelines. We use instrumental techniques including HS GC-MS/FID, HLPC-DAD, LC-MS and ICP-AES.

We perform the following quality controls and analyses to verify that all of your products’ features are compliant with label definitions and are maintained throughout the shelf life:

  • Quantification of active ingredients, such as:
    • UV filters
    • Preservatives
    • Anti-dandruff components
    • Hair conditioners
    • Humectants, etc.
  • Determination of prohibited and restricted substances, such as:
    • Metals (Ni, Cr, Cd, Hg, Pb, As, Sb and others)
    • Formaldehyde
    • NDELA
    • Dioxane
    • PAHs
    • Phthalates
    • Allergenic fragrance substances
    • Other restricted substances
  • Raw material characterization
  • Analysis of volatile compounds in flavorings, fragrances and essential oils
  • Off-flavors analysis
  • Specific tests on demand
  • Validation of cleaning processes/procedures


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All our Tests and Services

 Full range of scientific tests to support your safety evaluations.

Clinical evaluations in order to demonstrate the efficacy of your product.

Wide range of chemical and physical analyses of cosmetic products in accordance with ICH guidelines.

Characterization and quantification of microorganisms in final cosmetic and personal care products, in intermediate products and for the control of manufacturing environments. We conduct tests to assess the efficiency of antimicrobial preservation agents, as well as sterility and bioburden tests.

Stability and Period After Opening (PAO)

To ensure that your products meet quality standards when stored under proper conditions, a safety and stability assessment is required. Mérieux NutriSciences provides a full complement of customizable analytical methods in order to respond to customer requirements on a case-by-case basis. 

Stability and Period After Opening (PAO)
OTC Cosmetics

OTC (over-the-counter) medicines are safe and effective drugs used by the general public without prior recourse to a healthcare professional. OTCs must be manufactured and controlled in accordance with cGMP requirements for pharmaceuticals for human consumption. 

Mérieux NutriSciences can help with cGMP compliance in relation to the following:

  • Method development and validation
  • Quality control
  • Stability testing
OTC Cosmetics
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