Cosmetics, Pharma | Rotational Viscosity Testing of Hand Sanitizer with Visco
The analysis of the flow behavior is particularly important for the formulation of hand sanitizer gel. The ViscoQC is perfectly suited for quality control checks to ensure a high-quality product.
The transmission of pathogens takes place through direct and indirect contact, droplets and air. However, the transmission through contaminated hands is the most common pattern. Therefore, hand hygiene is the most important action that has been shown to be effective in preventing infections and the spread of antimicrobial resistance. Hand sanitizers are antimicrobial substances (liquid or gel) designed to deactivate or destroy microorganisms (bacteria or viruses) on the hands. These substances are usually based on alcohol products e.g. ethanol or propyl alcohol. Specific amounts of these ingredients are needed to achieve the decontamination effect against viruses or bacteria. Furthermore, products like glycerin are added to moisturize the skin and sustain its natural barrier. Gelling agents are added to the formulation to create a hand sanitizer gel. A gel has several advantages over the liquid formulation:
- Does not tend to spill.
- Volume can be easily controlled.
- Prevents drying out users’ skin.
- Remains in the palm.
- Evenly spreadable.
To obtain the above-mentioned advantages, the gel must have a convenient flow behavior. Further, quality control checks of the viscosity ensure a consistent high-quality of the product to satisfy customers. The rotational viscometer ViscoQC 100 and ViscoQC 300 are ideally suited to test the viscosity of hand sanitizer.
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