Unbranded. Blue or Clear bottle. Sealed. 1 Fl. OZ White Bottle, no name. Bottle may differ slightly in person. Highly effective broad spectrum antimicrobial preservative. Effective at pH levels below 6.0. No formaldehyde donors. Paraben-free. Compatible with most raw materials. Optiphen Plus can thin out some formulas-proper testing should be done. Manufacturing Temperatures: No Higher than 176ºF. Formula pH: Best Below 6.0. Effective Against: Bacteria, Mold, Yeast. Not approved for lip products.
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