Physico – chemical testing

Cosmetics physico-chemical testing provides safety, stability, and efficiency and includes determination of basic quality parameters and product composition as well as the presence and content of hazard substances in the product. We provide comprehensive testing within the physico-chemical specifications for both- raw materials and finished products. Our laboratory also provides an expertise to confirm the compatibility properties in compliance with requirements of standards as well as with the technical specifications claimed by the producers.

J.S. Hamilton laboratories are equipped with the appropriate high-end equipment and offer a wide range of testing services including:

• heavy metals (arsenic, lead, cadmium, mercury, nickel)
• water activity
• nitrosamines
• preservatives
• allergens
• pH
• density
• chlorides as NaCl
• dry organic substance
• foaming power and others.

We also offer analytical services of:

• creation and validation of analytical methods for HPLC/GC/ICP
• purity analysis
• identity analysis
• analytical method transfer