
Not very happy with this preservative. It seems that the only way to benefit is if you use the highest percentage that the bottle recommends, namely 4%, without adding that amount you will not be able to keep your product longer than, despite the size of the product a week or two. Maybe three weeks is a long time. Mold appeared when a preservative was used within a short period of time. Which isn't beneficial if you take the time to add it to a product to make it last longer. Wouldn't buy again. Not the best preservative for oil and water based products.

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