Preservative trials system with the following pathogenics:
Candida albicans
Citrobacter freundii
Aspergillus niger brasiliensis
Staphylococcus aureus
Pseudomonas aeruginosa
Physicals tests
It consists of placing the cosmetic product at high temperatures for 3 months, during which time physical, chemical and organoleptic analyses (colour, appearance, pH, density, phase separation), microbiological and packaging compatibility analyses are carried out. A thawing test is also carried out to assess the stability of the product during transport.
