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Versatile preservative TBG is an effective, safe and globally accepted preservative for natural cosmetics. It is Ecocert, Cosmos and Natrue conform.
It is very effective against Gram+ and Gram - bacteria as well as against yeast. It is not quite effective against mold. However it works as a stand-alone preservative in emulsions and in water based products. In products containing surfactants (shower gel, shampoo, etc.) it needs some complementary preservative to cover the full spectrum.
Versatile preservative TBG is insoluble in water and needs a solubilizer for water based products such as tonics and gels. However, since it is free from benzyl alcohol, it is much more milder and less sensitizing than preservatives containing benzyl alcohol (specially in water based products with no oil phase)
Its main advantage to other "natural" preservatives is its higher tolerance and efficacy at lower pH ranges. This is the main reason we recommend this preservative for deodorants and hair conditioners which have a lower pH than most of the skin and hair care products.