TECHNICAL ISO/TR REPORT 19838 First edition 2016-05-15 Microbiology Cosmetics Guidelines for the application of IsO standards on Cosmetic Microbiology Microbiologie Cosmétique - Lignes directrices pour I'application des normes IsO relatives a la microbiologie cosmétique Reference number IS0/TR 19838:2016(E) ISO International Organization for Standardization @ IS0 2016 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under Not for Resale, 2016/7/20 08:07:42 ted without license from IHS IS0/TR 19838:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. IsOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel.+41 22 749 0111 Fax+41227490947 [email protected] www.iso.org Intenationai br PrganizationforStandardization icensee-ZHEJIANG INST OF STANDARDIZoISQ s.6 - All rights reserved I by IHS unde Not for Resale, 2016/7/20 08:07:42 etworking permitted without license from IHS IS0/TR 19838:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Terms and definitions 3 Microbial content. .2 3.1 General requirements .2 3.2 Enumeration of mesophilic microorganisms (bacteria, yeasts and moulds) .3 3.3 Detection of specified microorganisms 3.4 Detection of specified and non-specified microorganisms .4 4 Antimicrobial preservation .5 4.1 General requirements 5 4.2 Evaluation of the preservation of a cosmetic formulation .5 4.3 Evaluation ofthepreservationofacosmeticproduct .6 5 Examples of microbial content results .6 5.1 General .6 5.2 Eye make-up remover .6 5.3 Mascara .6 5.4 Face cream .7 5.5 Shampoo.. ..8 6 Examples of interpretation of preservation efficacy test results .8 Annex A (informative) Relationship between the IsO cosmetic microbiology standards ..11 Annex B (informative) Relationship between the IsO standards dealing with the microbial contentofcosmetics ..12 Annex C (informative) Evaluation of the microbial content of a cosmetic product ..13 Annex D (informative) Interpretation of test results ..14 Bibliography ..15 iii =ZHEJIANG INST OF STANDARDIZATION C15956617 thout license from IHS