1. Laboratory-tested efficacy
Tests of active ingredient efficacy and penetration can be carried out on operative waste, in which case they are referred to as "ex vivo" tests, or on in vitro cell culture models, which are as close as possible to real-life conditions: models of stressed, functionalized, two- or three-dimensional skin.... The role of cell and tissue engineering in cosmetology is crucial for understanding physiological and pathological mechanisms, and proposing innovative therapies.
1.1 Regulatory framework
Constraints on tests carried out on human cells in laboratories concern the recovery of surgical waste: such waste comes from surgical procedures and can be stored in "biobanks", or used directly for research purposes, if the patients concerned are duly informed of this...
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Laboratory-tested efficacy
Clinical objectivation of cosmetic efficacy
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"Cosmetics: from design to product"
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