GENERAL PRESERVATIVE POSTS
Why use a preservative?
Preservatives and packaging.
What contaminants can get into our products.
How preservatives work.
Why grapefruit seed extract (GSE) is not a preservative.
What's a formaldehyde donor?
Water activity and salt or sugar scrubs.
Debate: What kind of preservative should we use in sugar/salt scrubs?
Inactivation of preservatives by non-ionic ingredients
Inactivation of preservatives by pigments
Inactivation of preservatives by cellulose derivatives
Choosing a preservative
Can we use essential oils as anti-microbials? (Short answer: No.)
Are the preservatives in our ingredients enough to preserve the entire product? (No.)
CHEMICALS WE FIND IN PRESERVATIVES
Organic acids and sodium benzoate
Imidiazolidinyl and diazolidinyl urea
Iodopropynyl butylcarbamate (IPBC)
DETAILED INFORMATION ON PRESERVATIVES
Liquid Germall Plus
New - Advanced Aloe Leucidal (Ecocert)
New - Leucidal liquid (Ecocert)
New - NataPres (Ecocert)
Download the preservative chart (PDF)