This last-chance item is being discontinued. Stock up before it's gone! Function: Powdery substance and a 100% natural chelating agent that can be used as an alternative to BHT/BHA, EDTA, and tetrasodium glutamate. Helps bind free metal ions in formulas to stabilize and improve the shelf life of skin care products. Suggested Products: Can be used with any product with a preservative. Solubility: Water Soluble Usage Range: 0.1-0.25% of your formula.