| 摘要 |
A formulation effective in reducing the pH in a menstruating vagina or in a tampon inserted therein to below pH 5.5, comprising (a) 3-100% by weight of glycolide; (b) optionally 97-15% by weight of a solid organic acid; and (c) optionally 5-30% of a wetting agent. Also disclosed is a catamenial tampon for insertion in a human vagina which comprises the pH reducing formulation.
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