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Optiphen Plus is a liquid broad spectrum preservative with an INCI of Phenoxyethanol (and) Caprylyl Glycol (and) Sorbic Acid. (It differs slightly from Optiphen with the inclusion of the sorbic acid.) As it isn’t heat sensitive, we can include it in our water based creations at 80˚C or lower in the water phase of our process....
Optiphen ND is a liquid broad spectrum preservative with the INCI Phenoxyethanol (79% to 81%), Benzoic Acid (11.5% to 12.5%) Dehydroacetic Acid (7.7% to 8.5%). It is suitable for products containing water and can be added at any point in the product making process as it isn’t heat sensitive. It is best used with products with...
Optiphen is a liquid preservative appropriate for fighting bacteria and yeast in our products (I can’t find any information on its efficacy against mould). Its INCI is Phenoxyethanol (and) Caprylyl Glycol. We know phenoxyethanol is a very effective against bacteria and yeast, but what about caprylyl glycol? It is paraben free and is not a formaldehyde...
Phenonip is a liquid, broad spectrum preservative with an INCI of INCI: Phenoxyethanol (and) Methylparaben (and) Ethylparaben (and) Butylparaben (and) Propylparaben (and) Isobutylparaben (click here for links on parabens). It can be used at 0.25% to 1.0% in all your creations, including anhydrous ones because some of these parabens are oil soluble! With all these parabens,...
If you’ve read this blog for any length of time, you’ll know that my preservative of choice is liquid Germall Plus. It contains propylene glycol (60%), diazolidinyl urea (39.6%), and iodopropynyl butylcarbamate (0.6%). It’s a broad spectrum liquid preservative that should be used at 0.1% to 0.5% in the cool down phase of your products....