Unverified80% confidenceFactTime unknown
香膏/蜡基固体香薰(如香膏盒、香氛蜡片)持续时长约1-3个月,石膏摆件类因表面积大挥发快,实际有效期约2-4周需定期滴精油续香
1
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80%
Confidence
Long-term
Relevance
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Unverified石膏(扩香石)载体的香氛挂件香味持续约7-15天需定期补充精油,而藤条/无火扩香式的持续1-3个月,纸质/毛毡香片仅3-7天,选购前需匹配自己补香频率92% similarUnverified固态香氛片(石膏/纸片浸香型)持香时长约3-7天,缓释珠/凝胶型可达2-4周,长途旅行或衣物存放超1周应选凝胶或缓释型,短途出行选纸片型更经济90% similarUnverified常温香薰蜡片有效扩香期通常仅2-6周,之后香精挥发殆尽只剩蜡块;不要囤货,一次买1-2片当季用完,久放会氧化变味90% similarUnverified精油挥发型香包有效期通常仅30-60天,固体缓释颗粒(如吸附型高分子载体)可达4-6个月;看包装标注挥发方式而非只看'长效'字样87% similarUnverified挥发式扩香石/木质吸附类香薰的有效持香期通常为3-6周,之后香精挥发殆尽需补充精油,并非香石本身失效,可通过滴加精油循环使用86% similar
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