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Size wholesaler : 20 kg *$ 20 overweight costs apply for delivery. Plan a 3 -week deadline.
Description : Sodium benzoate is a salt of benzoic acid, found naturally in several fruits such as cranberries, plums and apples. It is obtained in the laboratory by the addition of benzoic acid to a very hot solution of sodium carbonate.
Inci: Benzoate sodium
Aspect : White granules.
Solubility : Soluble in water.
Properties : Antifungal, antibacterial.
pH : Effective at pH of 6 and less.
* Face creams require a pH of 5. For eye contour creams, the pH of which must be ideally 7, use the Plantaserv Q or the Dermasoft Pentiol Eco.
Use :Conservative for formulas containing an aqueous phase.
Note that water -free formulas do not require a preservative, on the other hand, it will be advantageous to use an antioxidant (like vitamin E, antioxidant oil which slows down fat, but which is not a preservative).
Dosage: Maximum 1%. Reduce if combined with other preservatives (often combined with potassium sorbate).
Please note, it is not recommended to combine it with vitamin C. could form benzenes, carcinogenic products, although studies have not focused on cosmetics. Caution is in order even if the views on this subject are shared. Do some research :)
Applications:Products containing a stable aqueous phase and whose pH is 6.0 or less.
We recommend avoiding infusions and favoring aloe gel (already contains a preservative), distilled water and hydrosols. According to chemists, the latter are not stable, but we are herbalists :) And we love hydrosols, which can keep a good year or more (rather stable for water). With hydrosols in the aqueous phase, an emulsion h/e keeps, thanks to sodium benzoate, about a year, which is very acceptable to us. We prefer to make living products that keep for a few months rather than dead products that remain stable for years!
Neutral basic cream, gives around 500 ml
325 g aloe gel 75 g hydrosol of your choice 35 g olivem 1000 50 g Macerated oil a choice 1.4 g potassium sorbate + 4.2 g of sodium benzoate + 4 g of citric acid 50 Benzoin dye drops 5 g Vitamin E
Heat the first two ingredients over low heat. In a 2e Papon, heat all the rest over low heat. Add the potassium sorbate and sodium benzoate to the aqueous phase, as well as citric acid. Bring the two phases to about 40 degrees C then add the water to the fats, stirring with an electric mixer for 2-3 minutes. Add the Benzoin dye and vitamin E. Built in a jar Masson (jar In glass for canned) 500 ml, label and keep cool. Serve if necessary and add essential oils to choose from.
* See our specialized courses on www.ecolelesamesfleurs.com to better understand emulsions.
WARNING : Hold out of the reach of children. /Do not swallow or inhale and avoid contact with the eyes. /Respect the recommended dosage. / Always do an allergy test on the forearm (finished product test).