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| There are currently no 100% natural preservatives which work as well as synthetic ones, such as the commerical but questionable parabens, which are are very common in mass-produced cosmetics where a long shelf life is an important economic factor for the manufacturer. When you make your own natural beauty products this is less of an issue because you | can make small batches more often and settle for a shorter shelf life. You can also add vitamin E for its anti-oxidant effect. which helps prevent oils becoming rancid (but does not prevent bacterial growth and so is not a preservative as such). We offer an Ecocert-approved preservative which works very well. |
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