The synthetic version is a nature-identical compound chemically equivalent to the molecule found in nature. Potassium sorbate E202 vs Potassium metabisulfite E224. Sodium benzoate needs high concentrations to inhibit certain bacteria. and you'll see that: 1. Potassium sorbate occurs a… These preservatives work much better at lower pH levels. Potassium sorbate is produced industrially by neutralizing sorbic acid with potassium hydroxide. It has a broad,balanced spectrum of … Potassium sorbate is also referred to just as sorbate. 10 mg/ml (1%) needed to inhibit Staphylococcus aureus To make an informed decision please look up Minuimum Inhibitory Concentrations for Sodium benzoate, Potassium sorbate and their combo. euxyl® K 712 was developed for use in cosmetic formulations with a skin-friendly pH value of up to 5.5. Following is a chart of the relative activity at various pH: There is some concern that Sodium Benzoate in combination with L-Ascorbic Acid in products can form Benzene, a known human carcinogen. Potassium sorbate is the potassium salt of sorbic acid, a natural compound found in berries of the mountain ash tree, Sorbus aucuparia. Potassium sorbate is often combined with Sodium benzoate in low pH products to provide a synergistic preservative effect against yeast and mold. Potassium sorbate toxicity only 1/12 times table salts and 1/40 times sodium benzoate. Sodium Benzoate is often combined with Potassium Sorbate in low pH products to provide a synergistic preservative effect against yeast and mold. i.e. Pyruvic acid is considered to be a low-risk ingredient for skincare use and safe to use in skincare. Side effects: It is assumed that Sodium benzoate has much side effects than Potassium sorbate. Potassium metabisulphite is called k-meta, sulfite. Even though natural sources of this ingredient exist, nearly all of the world’s production of sorbic acid is manufactured synthetically. 2. Sodium benzoate & Potassium sorbate is a liquid cosmetic preservative, which can be used in leave-on as well as in rinse-off products.