| Challenge Testing for Cosmetics | QACS Ltd. |
Our laboratory is specialized in preservation efficacy testing, commonly known as "Challenge Testing". We test cosmetics and pharmaceutical products, offering high-quality services at competitive prices.
Compliance Highlights Unavailable
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| Patch Testing Cosmetics | QACS Ltd. |
The principle of the patch test is the application of the test product on the skin of the back of adults volunteers. The product is kept in contact with the skin for 48hrs under occlusive patch. The clinical observation of the effects is carried out by a ...voir plus
The principle of the patch test is the application of the test product on the skin of the back of adults volunteers. The product is kept in contact with the skin for 48hrs under occlusive patch. The clinical observation of the effects is carried out by a dermatologist after withdrawal of the patch. The ranking of the irritant potential is assessed according to a determined numerical scale depending on the irritation observed; ranking varies between: Not irritant, Very Slightly Irritant, Slightly Irritant, Moderately Irritant, Irritant and Very Irritant. voir moins
Compliance Highlights Unavailable
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| Stability Testing Cosmetics | QACS Ltd. |
The objective of the stability test is to ensure that the product maintains its intended physical, chemical and microbiological quality and properties, as well as its functionality and aesthetics when stored under appropriate conditions. Main scope of the...voir plus
The objective of the stability test is to ensure that the product maintains its intended physical, chemical and microbiological quality and properties, as well as its functionality and aesthetics when stored under appropriate conditions. Main scope of the stability test is to provide data by foreseeing the stability of the product overtime within its useful life span and the compatibility between the formulation and the container material. voir moins
Compliance Highlights Unavailable
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