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Loss of effectiveness of preservative systems of mascaras with age.

Authors
Type
Published Article
Journal
Applied and environmental microbiology
Publication Date
Volume
39
Issue
3
Pages
665–667
Identifiers
PMID: 6770758
Source
Medline
License
Unknown

Abstract

The preservative systems of unused, anhydrous mascaras were challenged periodically with microorganisms, using a modified membrane procedure. Shelf life of preservative activity against Pseudomonas aeruginosa varied for different brands from as little as 1 month to over 36 months. Generally, P. aeruginosa grew in mascaras after the mascaras were challenged first with Staphylococcus epidermidis or Candida albicans.

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