Staphylococcus epidermidis - a new player in acne pathogenesis?
Acne is a chronic and multifactorial inflammatory disease of the skin and hair and sebaceous unit. Studies have shown that between the ages of 11 and 30 years, 80 % people can be affected by this condition. The pathogenesis of acne is extremely complex. Causes causing acne vulgaris may include seborrhoea, hyperkeratinisation of the hair and sebaceous glands, hormonal factors, increased inflammation and colonisation of the sebaceous units [...].
Read moreMaintenance test - what information does it give us and why is it done?
The presence of appropriately selected preservatives in cosmetic products is key to ensuring the microbiological purity of products with a high microbiological risk. It is the preservation test (also known as the loading test) that allows us to make sure that the preservative system we have selected fulfils its intended purpose. What is a preservation test? A stress test involves the controlled introduction of suitable strains of micro-organisms [...].
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