Unverified85% confidenceDecision RuleTime unknown
私密洁肤巾应选择pH值在4.0-5.5弱酸性区间的产品，与女性外阴天然弱酸环境匹配，避免破坏正常菌群平衡；碱性面料（pH＞7）易引发瘙痒
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