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4. Natural preservatives
4.1 Definitions and production methods
Natural preservatives include essential oils, extracts and certain vegetable oils. They are all obtained from plant raw materials, but according to distinct, more or less technical and innovative processes that define the type of molecules extracted (volatile or non-volatile, for example), as well as the final galenic form (liquid, powder, paste...). Since many plants have antimicrobial activity, this activity is found in extracts, but the quantity of active ingredients is often lower. So, before considering optimal use in a finished product, it is often necessary to carry out enrichment steps, or even to isolate the active molecules. In addition, decoloration and the addition of a solid carrier (such as maltodextrin or silica) are often required...
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Bibliography
Websites
COSMOS-standard AISBL: European COSMOS standard for organic cosmetics http://www.cosmos-standard.org (page consulted February 29, 2012)
Cosmetics & Toiletries: article by David Steinberg, Steinberg & Associates, dedicated to the influence of water activity on cosmetic preservation
Events
Beyond Beauty Events – International trade fairs for beauty and wellness suppliers and brands http://www.beyondbeautyevents.com/bbe/fr/bbe_00_Home.asp
Beauty and Packaging Conference – Perfume and cosmetics packaging http://www.beautepackaging.com/1/fr_FR/page/217
...Standards and norms
- Validation et contrôle de routine pour la stérilisation par l'oxyde d'éthylène - EN 550 - 1994
- Cosmetics – Microbiology – Guidelines for risk assessment and identification of low microbiological risk products (classification index: T 75-609) - NF EN ISO 29621 - 06-11
- Cosmetics – Microbiology – General instructions for microbiological examinations (classification index: T 75-601) - NF EN ISO 21148 - 09-09 ...
Regulations
Decree of December 22, 2011 amending the decree of February 6, 2001 establishing the list of substances that may not be used in cosmetic products outside the restrictions and conditions established by this list.
Regulation EC 1223 2009 of the European Parliament on cosmetic products
Bill to ban the use of phthalates, parabens and alkylphenols, May 4, 2011
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Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Preservative suppliers
ARCH CHEMICALS (LONZA) http://www.archchemicals.com/fed/pc (page consulted on March 20, 2012)
CLARIANT http://www.personalcare.clariant...
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