Unverified75% confidenceDecision RuleTime unknown
精油浓度15-25%为家用香氛甜蜜区：低于10%香味寡淡持续差，高于30%多为香精勾兑或过浓易头晕，浓度不标注的产品优先看是否含'fragrance oil'占比说明
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75%
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Long-term
Relevance
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Unverified香精（fragrance oil）含量在6%-10%为扩香充分的合理区间，低于5%扩香弱、高于12%易在加热时产生刺鼻感，购买时可参考商品标注的精油/香精比例88% similarUnverified香精浓度（fragrance load）8%-10%为优质区间：低于6%香味弱、扩散范围小；高于12%易产生刺鼻感和黑烟。标注天然精油（essential oil）比合成香精更温和但留香时间通常更短85% similarUnverified香精浓度（fragrance load）6%-10%为佳：低于6%冷香扩散弱，高于12%易产生刺鼻感和黑烟；标注含天然精油（essential oil）比纯合成香精更耐闻、头晕概率更低85% similarUnverified精油浓度（香精含量）15%-25%为合理区间：低于10%扩香弱且需频繁翻藤，高于30%多为廉价溶剂勾兑、气味冲鼻且可能刺激呼吸道85% similarUnverified香精油浓度（fragrance load）在6%-10%为佳，低于6%扩香弱、闻不到，高于12%可能引起头晕头痛且香味刺鼻，天然精油（essential oil）比合成香精更贵但更柔和85% similar
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