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Preservative 1388 eco plus is an advanced antimicrobial ingredient designed to preserve cosmetic products. It uses new and sustainable technologies that enable safe preservation without the need for traditional preservatives often associated with skin irritation or negative consumer perception.
The main principle is the combination of natural organic acids that offer effective protection against bacteria, yeasts and moulds. In the case of preservative 1388 eco plus, it is a mixture of salts of levulinic acid and anisic acid, supplemented with glycerin for better solubility.
Preservative 1388 eco plus is an aqueous solution containing levulinic acid sodium salt and anisic acid sodium salt in optimal proportions. Glycerine acts as an excipient to increase solubility. This avoids the problems of low anisic acid solubility and allows direct and easy use in formulations.
The raw materials are of vegetable origin: levulinic acid from sugar cane or corn, aniseed acid from star anise and glycerin from rapeseed oil. The product is 100% natural, vegan and meets the criteria of the COSMOS and Natrue certifications. The Natural Origin Index (NOI according to ISO 16128) has a value of 1.0.
The active organic acids act on micro-organisms by penetrating the cell and changing its internal pH, leading to the death of the micro-organism. Therefore, the efficacy of preservative1388 eco plus is pH-dependent. It achieves best results in the pH range 3.5 - 6.0, which is suitable for most cosmetic products.
Efficacy against micro-organisms:
Since Preservative 1388 eco plus is pH-dependent, the higher the final pH of the product, the higher the dosage of the preservative should be. The table below shows the recommended dosage for different pH of the final product.
Recommended dosage at different pH:
Preservative 1388 eco plus represents a modern and sustainable approach to cosmetic preservation - combining natural origin, high efficacy and ease of use in formulations. Thanks to the combination of levulinic acid and anisic acid, it provides reliable antimicrobial protection that is both skin and environmentally friendly, making it an ideal choice for both natural and conventional cosmetics.
